638646528

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1$

素因数の和:1440

約数の個数: 144

約数和(自身を含む): 1870799616

約数和(自身を除く): 1232153088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 47, 48, 52, 64, 78, 94, 96, 104, 128, 141, 156, 188, 192, 208, 256, 282, 312, 376, 384, 416, 564, 611, 624, 752, 768, 832, 1128, 1222, 1248, 1361, 1504, 1664, 1833, 2256, 2444, 2496, 2722, 3008, 3328, 3666, 4083, 4512, 4888, 4992, 5444, 6016, 7332, 8166, 9024, 9776, 9984, 10888, 12032, 14664, 16332, 17693, 18048, 19552, 21776, 29328, 32664, 35386, 36096, 39104, 43552, 53079, 58656, 63967, 65328, 70772, 78208, 87104, 106158, 117312, 127934, 130656, 141544, 156416, 174208, 191901, 212316, 234624, 255868, 261312, 283088, 348416, 383802, 424632, 469248, 511736, 522624, 566176, 767604, 831571, 849264, 1023472, 1045248, 1132352, 1535208, 1663142, 1698528, 2046944, 2264704, 2494713, 3070416, 3326284, 3397056, 4093888, 4529408, 4989426, 6140832, 6652568, 6794112, 8187776, 9978852, 12281664, 13305136, 13588224, 16375552, 19957704, 24563328, 26610272, 39915408, 49126656, 53220544, 79830816, 106441088, 159661632, 212882176, 319323264, 638646528]

約数ペア:

[(1, 638646528), (2, 319323264), (3, 212882176), (4, 159661632), (6, 106441088), (8, 79830816), (12, 53220544), (13, 49126656), (16, 39915408), (24, 26610272), (26, 24563328), (32, 19957704), (39, 16375552), (47, 13588224), (48, 13305136), (52, 12281664), (64, 9978852), (78, 8187776), (94, 6794112), (96, 6652568), (104, 6140832), (128, 4989426), (141, 4529408), (156, 4093888), (188, 3397056), (192, 3326284), (208, 3070416), (256, 2494713), (282, 2264704), (312, 2046944), (376, 1698528), (384, 1663142), (416, 1535208), (564, 1132352), (611, 1045248), (624, 1023472), (752, 849264), (768, 831571), (832, 767604), (1128, 566176), (1222, 522624), (1248, 511736), (1361, 469248), (1504, 424632), (1664, 383802), (1833, 348416), (2256, 283088), (2444, 261312), (2496, 255868), (2722, 234624), (3008, 212316), (3328, 191901), (3666, 174208), (4083, 156416), (4512, 141544), (4888, 130656), (4992, 127934), (5444, 117312), (6016, 106158), (7332, 87104), (8166, 78208), (9024, 70772), (9776, 65328), (9984, 63967), (10888, 58656), (12032, 53079), (14664, 43552), (16332, 39104), (17693, 36096), (18048, 35386), (19552, 32664), (21776, 29328)]