257156926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{3853}}^1$

素因数の和:4036

約数の個数: 32

約数和(自身を含む): 442870848

約数和(自身を除く): 185713922

約数列:

[1, 2, 13, 17, 26, 34, 151, 221, 302, 442, 1963, 2567, 3853, 3926, 5134, 7706, 33371, 50089, 65501, 66742, 100178, 131002, 581803, 851513, 1163606, 1703026, 7563439, 9890651, 15126878, 19781302, 128578463, 257156926]

約数ペア:

[(1, 257156926), (2, 128578463), (13, 19781302), (17, 15126878), (26, 9890651), (34, 7563439), (151, 1703026), (221, 1163606), (302, 851513), (442, 581803), (1963, 131002), (2567, 100178), (3853, 66742), (3926, 65501), (5134, 50089), (7706, 33371)]