81776734

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 136745280

約数和(自身を除く): 54968546

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 503, 962, 1006, 2197, 4394, 6253, 6539, 12506, 13078, 18611, 37222, 81289, 85007, 162578, 170014, 241943, 483886, 1105091, 2210182, 3145259, 6290518, 40888367, 81776734]

約数ペア:

[(1, 81776734), (2, 40888367), (13, 6290518), (26, 3145259), (37, 2210182), (74, 1105091), (169, 483886), (338, 241943), (481, 170014), (503, 162578), (962, 85007), (1006, 81289), (2197, 37222), (4394, 18611), (6253, 13078), (6539, 12506)]