81497676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9857}}^1$

素因数の和:9930

約数の個数: 48

約数和(自身を含む): 208674144

約数和(自身を除く): 127176468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 9857, 19714, 29571, 39428, 59142, 118284, 128141, 256282, 384423, 512564, 522421, 768846, 1044842, 1537692, 1567263, 2089684, 3134526, 6269052, 6791473, 13582946, 20374419, 27165892, 40748838, 81497676]

約数ペア:

[(1, 81497676), (2, 40748838), (3, 27165892), (4, 20374419), (6, 13582946), (12, 6791473), (13, 6269052), (26, 3134526), (39, 2089684), (52, 1567263), (53, 1537692), (78, 1044842), (106, 768846), (156, 522421), (159, 512564), (212, 384423), (318, 256282), (636, 128141), (689, 118284), (1378, 59142), (2067, 39428), (2756, 29571), (4134, 19714), (8268, 9857)]