253877650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{390581}}^1$

素因数の和:390606

約数の個数: 24

約数和(自身を含む): 508537764

約数和(自身を除く): 254660114

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 390581, 781162, 1952905, 3905810, 5077553, 9764525, 10155106, 19529050, 25387765, 50775530, 126938825, 253877650]

約数ペア:

[(1, 253877650), (2, 126938825), (5, 50775530), (10, 25387765), (13, 19529050), (25, 10155106), (26, 9764525), (50, 5077553), (65, 3905810), (130, 1952905), (325, 781162), (650, 390581)]