157691905

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 220290048

約数和(自身を除く): 62598143

約数列:

[1, 5, 7, 35, 131, 163, 211, 655, 815, 917, 1055, 1141, 1477, 4585, 5705, 7385, 21353, 27641, 34393, 106765, 138205, 149471, 171965, 193487, 240751, 747355, 967435, 1203755, 4505483, 22527415, 31538381, 157691905]

約数ペア:

[(1, 157691905), (5, 31538381), (7, 22527415), (35, 4505483), (131, 1203755), (163, 967435), (211, 747355), (655, 240751), (815, 193487), (917, 171965), (1055, 149471), (1141, 138205), (1477, 106765), (4585, 34393), (5705, 27641), (7385, 21353)]