65106665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 88166400

約数和(自身を除く): 23059735

約数列:

[1, 5, 13, 31, 65, 79, 155, 395, 403, 409, 1027, 2015, 2045, 2449, 5135, 5317, 12245, 12679, 26585, 31837, 32311, 63395, 159185, 161555, 164827, 420043, 824135, 1001641, 2100215, 5008205, 13021333, 65106665]

約数ペア:

[(1, 65106665), (5, 13021333), (13, 5008205), (31, 2100215), (65, 1001641), (79, 824135), (155, 420043), (395, 164827), (403, 161555), (409, 159185), (1027, 63395), (2015, 32311), (2045, 31837), (2449, 26585), (5135, 12679), (5317, 12245)]