25702313

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 32529672

約数和(自身を除く): 6827359

約数列:

[1, 7, 13, 49, 91, 157, 257, 637, 1099, 1799, 2041, 3341, 7693, 12593, 14287, 23387, 40349, 100009, 163709, 282443, 524537, 1977101, 3671759, 25702313]

約数ペア:

[(1, 25702313), (7, 3671759), (13, 1977101), (49, 524537), (91, 282443), (157, 163709), (257, 100009), (637, 40349), (1099, 23387), (1799, 14287), (2041, 12593), (3341, 7693)]