7964808176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{72661}}^1$

素因数の和:72730

約数の個数: 80

約数和(自身を含む): 18164337408

約数和(自身を除く): 10199529232

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1612, 1768, 2108, 3224, 3536, 4216, 6448, 6851, 8432, 13702, 27404, 54808, 72661, 109616, 145322, 290644, 581288, 944593, 1162576, 1235237, 1889186, 2252491, 2470474, 3778372, 4504982, 4940948, 7556744, 9009964, 9881896, 15113488, 16058081, 18019928, 19763792, 29282383, 32116162, 36039856, 38292347, 58564766, 64232324, 76584694, 117129532, 128464648, 153169388, 234259064, 256929296, 306338776, 468518128, 497800511, 612677552, 995601022, 1991202044, 3982404088, 7964808176]

約数ペア:

[(1, 7964808176), (2, 3982404088), (4, 1991202044), (8, 995601022), (13, 612677552), (16, 497800511), (17, 468518128), (26, 306338776), (31, 256929296), (34, 234259064), (52, 153169388), (62, 128464648), (68, 117129532), (104, 76584694), (124, 64232324), (136, 58564766), (208, 38292347), (221, 36039856), (248, 32116162), (272, 29282383), (403, 19763792), (442, 18019928), (496, 16058081), (527, 15113488), (806, 9881896), (884, 9009964), (1054, 7556744), (1612, 4940948), (1768, 4504982), (2108, 3778372), (3224, 2470474), (3536, 2252491), (4216, 1889186), (6448, 1235237), (6851, 1162576), (8432, 944593), (13702, 581288), (27404, 290644), (54808, 145322), (72661, 109616)]