81682705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2549}}^1$

素因数の和:2613

約数の個数: 32

約数和(自身を含む): 115668000

約数和(自身を除く): 33985295

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 2549, 6409, 12745, 32045, 33137, 43333, 73921, 165685, 216665, 369605, 563329, 960973, 1256657, 2816645, 4804865, 6283285, 16336541, 81682705]

約数ペア:

[(1, 81682705), (5, 16336541), (13, 6283285), (17, 4804865), (29, 2816645), (65, 1256657), (85, 960973), (145, 563329), (221, 369605), (377, 216665), (493, 165685), (1105, 73921), (1885, 43333), (2465, 33137), (2549, 32045), (6409, 12745)]