1997561088

素因数分解:

$2^8\times 3^5\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 216

約数和(自身を含む): 6039921888

約数和(自身を除く): 4042360800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 163, 192, 197, 216, 243, 256, 288, 324, 326, 384, 394, 432, 486, 489, 576, 591, 648, 652, 768, 788, 864, 972, 978, 1152, 1182, 1296, 1304, 1467, 1576, 1728, 1773, 1944, 1956, 2304, 2364, 2592, 2608, 2934, 3152, 3456, 3546, 3888, 3912, 4401, 4728, 5184, 5216, 5319, 5868, 6304, 6912, 7092, 7776, 7824, 8802, 9456, 10368, 10432, 10638, 11736, 12608, 13203, 14184, 15552, 15648, 15957, 17604, 18912, 20736, 20864, 21276, 23472, 25216, 26406, 28368, 31104, 31296, 31914, 32111, 35208, 37824, 39609, 41728, 42552, 46944, 47871, 50432, 52812, 56736, 62208, 62592, 63828, 64222, 70416, 75648, 79218, 85104, 93888, 95742, 96333, 105624, 113472, 125184, 127656, 128444, 140832, 151296, 158436, 170208, 187776, 191484, 192666, 211248, 226944, 255312, 256888, 281664, 288999, 316872, 340416, 375552, 382968, 385332, 422496, 453888, 510624, 513776, 563328, 577998, 633744, 680832, 765936, 770664, 844992, 866997, 1021248, 1027552, 1126656, 1155996, 1267488, 1361664, 1531872, 1541328, 1689984, 1733994, 2042496, 2055104, 2311992, 2534976, 2600991, 3063744, 3082656, 3379968, 3467988, 4084992, 4110208, 4623984, 5069952, 5201982, 6127488, 6165312, 6935976, 7802973, 8220416, 9247968, 10139904, 10403964, 12254976, 12330624, 13871952, 15605946, 18495936, 20807928, 24661248, 27743904, 31211892, 36991872, 41615856, 55487808, 62423784, 73983744, 83231712, 110975616, 124847568, 166463424, 221951232, 249695136, 332926848, 499390272, 665853696, 998780544, 1997561088]

約数ペア:

[(1, 1997561088), (2, 998780544), (3, 665853696), (4, 499390272), (6, 332926848), (8, 249695136), (9, 221951232), (12, 166463424), (16, 124847568), (18, 110975616), (24, 83231712), (27, 73983744), (32, 62423784), (36, 55487808), (48, 41615856), (54, 36991872), (64, 31211892), (72, 27743904), (81, 24661248), (96, 20807928), (108, 18495936), (128, 15605946), (144, 13871952), (162, 12330624), (163, 12254976), (192, 10403964), (197, 10139904), (216, 9247968), (243, 8220416), (256, 7802973), (288, 6935976), (324, 6165312), (326, 6127488), (384, 5201982), (394, 5069952), (432, 4623984), (486, 4110208), (489, 4084992), (576, 3467988), (591, 3379968), (648, 3082656), (652, 3063744), (768, 2600991), (788, 2534976), (864, 2311992), (972, 2055104), (978, 2042496), (1152, 1733994), (1182, 1689984), (1296, 1541328), (1304, 1531872), (1467, 1361664), (1576, 1267488), (1728, 1155996), (1773, 1126656), (1944, 1027552), (1956, 1021248), (2304, 866997), (2364, 844992), (2592, 770664), (2608, 765936), (2934, 680832), (3152, 633744), (3456, 577998), (3546, 563328), (3888, 513776), (3912, 510624), (4401, 453888), (4728, 422496), (5184, 385332), (5216, 382968), (5319, 375552), (5868, 340416), (6304, 316872), (6912, 288999), (7092, 281664), (7776, 256888), (7824, 255312), (8802, 226944), (9456, 211248), (10368, 192666), (10432, 191484), (10638, 187776), (11736, 170208), (12608, 158436), (13203, 151296), (14184, 140832), (15552, 128444), (15648, 127656), (15957, 125184), (17604, 113472), (18912, 105624), (20736, 96333), (20864, 95742), (21276, 93888), (23472, 85104), (25216, 79218), (26406, 75648), (28368, 70416), (31104, 64222), (31296, 63828), (31914, 62592), (32111, 62208), (35208, 56736), (37824, 52812), (39609, 50432), (41728, 47871), (42552, 46944)]