247221312

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:461

約数の個数: 168

約数和(自身を含む): 747430560

約数和(自身を除く): 500209248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 152, 156, 169, 192, 208, 228, 247, 304, 312, 338, 401, 416, 456, 494, 507, 608, 624, 676, 741, 802, 832, 912, 988, 1014, 1203, 1216, 1248, 1352, 1482, 1604, 1824, 1976, 2028, 2406, 2496, 2704, 2964, 3208, 3211, 3648, 3952, 4056, 4812, 5213, 5408, 5928, 6416, 6422, 7619, 7904, 8112, 9624, 9633, 10426, 10816, 11856, 12832, 12844, 15238, 15639, 15808, 16224, 19248, 19266, 20852, 22857, 23712, 25664, 25688, 30476, 31278, 32448, 38496, 38532, 41704, 45714, 47424, 51376, 60952, 62556, 67769, 76992, 77064, 83408, 91428, 99047, 102752, 121904, 125112, 135538, 154128, 166816, 182856, 198094, 203307, 205504, 243808, 250224, 271076, 297141, 308256, 333632, 365712, 396188, 406614, 487616, 500448, 542152, 594282, 616512, 731424, 792376, 813228, 1000896, 1084304, 1188564, 1287611, 1462848, 1584752, 1626456, 2168608, 2377128, 2575222, 3169504, 3252912, 3862833, 4337216, 4754256, 5150444, 6339008, 6505824, 7725666, 9508512, 10300888, 13011648, 15451332, 19017024, 20601776, 30902664, 41203552, 61805328, 82407104, 123610656, 247221312]

約数ペア:

[(1, 247221312), (2, 123610656), (3, 82407104), (4, 61805328), (6, 41203552), (8, 30902664), (12, 20601776), (13, 19017024), (16, 15451332), (19, 13011648), (24, 10300888), (26, 9508512), (32, 7725666), (38, 6505824), (39, 6339008), (48, 5150444), (52, 4754256), (57, 4337216), (64, 3862833), (76, 3252912), (78, 3169504), (96, 2575222), (104, 2377128), (114, 2168608), (152, 1626456), (156, 1584752), (169, 1462848), (192, 1287611), (208, 1188564), (228, 1084304), (247, 1000896), (304, 813228), (312, 792376), (338, 731424), (401, 616512), (416, 594282), (456, 542152), (494, 500448), (507, 487616), (608, 406614), (624, 396188), (676, 365712), (741, 333632), (802, 308256), (832, 297141), (912, 271076), (988, 250224), (1014, 243808), (1203, 205504), (1216, 203307), (1248, 198094), (1352, 182856), (1482, 166816), (1604, 154128), (1824, 135538), (1976, 125112), (2028, 121904), (2406, 102752), (2496, 99047), (2704, 91428), (2964, 83408), (3208, 77064), (3211, 76992), (3648, 67769), (3952, 62556), (4056, 60952), (4812, 51376), (5213, 47424), (5408, 45714), (5928, 41704), (6416, 38532), (6422, 38496), (7619, 32448), (7904, 31278), (8112, 30476), (9624, 25688), (9633, 25664), (10426, 23712), (10816, 22857), (11856, 20852), (12832, 19266), (12844, 19248), (15238, 16224), (15639, 15808)]