91397590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 168505920

約数和(自身を除く): 77108330

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 545, 710, 1090, 1181, 2362, 5905, 7739, 11810, 15478, 38695, 77390, 83851, 128729, 167702, 257458, 419255, 643645, 838510, 1287290, 9139759, 18279518, 45698795, 91397590]

約数ペア:

[(1, 91397590), (2, 45698795), (5, 18279518), (10, 9139759), (71, 1287290), (109, 838510), (142, 643645), (218, 419255), (355, 257458), (545, 167702), (710, 128729), (1090, 83851), (1181, 77390), (2362, 38695), (5905, 15478), (7739, 11810)]