68403205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 92574720

約数和(自身を除く): 24171515

約数列:

[1, 5, 13, 31, 65, 83, 155, 403, 409, 415, 1079, 2015, 2045, 2573, 5317, 5395, 12679, 12865, 26585, 33449, 33947, 63395, 164827, 167245, 169735, 441311, 824135, 1052357, 2206555, 5261785, 13680641, 68403205]

約数ペア:

[(1, 68403205), (5, 13680641), (13, 5261785), (31, 2206555), (65, 1052357), (83, 824135), (155, 441311), (403, 169735), (409, 167245), (415, 164827), (1079, 63395), (2015, 33947), (2045, 33449), (2573, 26585), (5317, 12865), (5395, 12679)]