257901074

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{15497}}^1$

素因数の和:15709

約数の個数: 16

約数和(自身を含む): 396686808

約数和(自身を除く): 138785734

約数列:

[1, 2, 53, 106, 157, 314, 8321, 15497, 16642, 30994, 821341, 1642682, 2433029, 4866058, 128950537, 257901074]

約数ペア:

[(1, 257901074), (2, 128950537), (53, 4866058), (106, 2433029), (157, 1642682), (314, 821341), (8321, 30994), (15497, 16642)]