90871208

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{20393}}^1$

素因数の和:20956

約数の個数: 16

約数和(自身を含む): 170697780

約数和(自身を除く): 79826572

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 20393, 40786, 81572, 163144, 11358901, 22717802, 45435604, 90871208]

約数ペア:

[(1, 90871208), (2, 45435604), (4, 22717802), (8, 11358901), (557, 163144), (1114, 81572), (2228, 40786), (4456, 20393)]