209908191025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1933}}^1\times {\mathrm{4987}}^1$

素因数の和:7010

約数の個数: 48

約数和(自身を含む): 284696125504

約数和(自身を除く): 74787934479

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 1933, 4355, 4987, 9665, 21775, 24935, 25129, 48325, 64831, 124675, 125645, 129511, 324155, 334129, 628225, 647555, 1620775, 1670645, 1683643, 3237775, 4343677, 8353225, 8418215, 9639871, 21718385, 42091075, 48199355, 108591925, 125318323, 240996775, 626591615, 645871357, 3132958075, 3229356785, 8396327641, 16146783925, 41981638205, 209908191025]

約数ペア:

[(1, 209908191025), (5, 41981638205), (13, 16146783925), (25, 8396327641), (65, 3229356785), (67, 3132958075), (325, 645871357), (335, 626591615), (871, 240996775), (1675, 125318323), (1933, 108591925), (4355, 48199355), (4987, 42091075), (9665, 21718385), (21775, 9639871), (24935, 8418215), (25129, 8353225), (48325, 4343677), (64831, 3237775), (124675, 1683643), (125645, 1670645), (129511, 1620775), (324155, 647555), (334129, 628225)]