157990847

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 187558272

約数和(自身を除く): 29567425

約数列:

[1, 7, 49, 131, 151, 163, 917, 1057, 1141, 6419, 7399, 7987, 19781, 21353, 24613, 138467, 149471, 172291, 969269, 1046297, 1206037, 3224303, 22570121, 157990847]

約数ペア:

[(1, 157990847), (7, 22570121), (49, 3224303), (131, 1206037), (151, 1046297), (163, 969269), (917, 172291), (1057, 149471), (1141, 138467), (6419, 24613), (7399, 21353), (7987, 19781)]