149993404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{21713}}^1$

素因数の和:21885

約数の個数: 24

約数和(自身を含む): 288188208

約数和(自身を除く): 138194804

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 21713, 43426, 86852, 238843, 477686, 955372, 3408941, 6817882, 13635764, 37498351, 74996702, 149993404]

約数ペア:

[(1, 149993404), (2, 74996702), (4, 37498351), (11, 13635764), (22, 6817882), (44, 3408941), (157, 955372), (314, 477686), (628, 238843), (1727, 86852), (3454, 43426), (6908, 21713)]