256543271474

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1\times {\mathrm{34897}}^1$

素因数の和:35907

約数の個数: 64

約数和(自身を含む): 479414764800

約数和(自身を除く): 222871493326

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 953, 1102, 1906, 3857, 6671, 7714, 13342, 18107, 27637, 34897, 36214, 55274, 69794, 126749, 193459, 244279, 253498, 386918, 488558, 525103, 663043, 1012013, 1050206, 1326086, 2024026, 3675721, 4641301, 7084091, 7351442, 9282602, 14168182, 19228247, 33256841, 38456494, 66513682, 134597729, 232797887, 269195458, 465595774, 631879979, 964448389, 1263759958, 1928896778, 4423159853, 6751138723, 8846319706, 13502277446, 18324519391, 36649038782, 128271635737, 256543271474]

約数ペア:

[(1, 256543271474), (2, 128271635737), (7, 36649038782), (14, 18324519391), (19, 13502277446), (29, 8846319706), (38, 6751138723), (58, 4423159853), (133, 1928896778), (203, 1263759958), (266, 964448389), (406, 631879979), (551, 465595774), (953, 269195458), (1102, 232797887), (1906, 134597729), (3857, 66513682), (6671, 38456494), (7714, 33256841), (13342, 19228247), (18107, 14168182), (27637, 9282602), (34897, 7351442), (36214, 7084091), (55274, 4641301), (69794, 3675721), (126749, 2024026), (193459, 1326086), (244279, 1050206), (253498, 1012013), (386918, 663043), (488558, 525103)]