285537460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1098221}}^1$

素因数の和:1098243

約数の個数: 24

約数和(自身を含む): 645754536

約数和(自身を除く): 360217076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1098221, 2196442, 4392884, 5491105, 10982210, 14276873, 21964420, 28553746, 57107492, 71384365, 142768730, 285537460]

約数ペア:

[(1, 285537460), (2, 142768730), (4, 71384365), (5, 57107492), (10, 28553746), (13, 21964420), (20, 14276873), (26, 10982210), (52, 5491105), (65, 4392884), (130, 2196442), (260, 1098221)]