64867686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 146012160

約数和(自身を除く): 81144474

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 139, 186, 193, 278, 386, 403, 417, 579, 806, 834, 1158, 1209, 1807, 2418, 2509, 3614, 4309, 5018, 5421, 5983, 7527, 8618, 10842, 11966, 12927, 15054, 17949, 25854, 26827, 35898, 53654, 56017, 77779, 80481, 112034, 155558, 160962, 168051, 233337, 336102, 348751, 466674, 697502, 831637, 1046253, 1663274, 2092506, 2494911, 4989822, 10811281, 21622562, 32433843, 64867686]

約数ペア:

[(1, 64867686), (2, 32433843), (3, 21622562), (6, 10811281), (13, 4989822), (26, 2494911), (31, 2092506), (39, 1663274), (62, 1046253), (78, 831637), (93, 697502), (139, 466674), (186, 348751), (193, 336102), (278, 233337), (386, 168051), (403, 160962), (417, 155558), (579, 112034), (806, 80481), (834, 77779), (1158, 56017), (1209, 53654), (1807, 35898), (2418, 26827), (2509, 25854), (3614, 17949), (4309, 15054), (5018, 12927), (5421, 11966), (5983, 10842), (7527, 8618)]