31557628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 57405824

約数和(自身を除く): 25848196

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1621, 3242, 4867, 6484, 9734, 19468, 50251, 100502, 201004, 254497, 508994, 1017988, 7889407, 15778814, 31557628]

約数ペア:

[(1, 31557628), (2, 15778814), (4, 7889407), (31, 1017988), (62, 508994), (124, 254497), (157, 201004), (314, 100502), (628, 50251), (1621, 19468), (3242, 9734), (4867, 6484)]