87698690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3698

約数の個数: 32

約数和(自身を含む): 165058560

約数和(自身を除く): 77359870

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 3581, 4898, 7162, 12245, 17905, 24490, 35810, 111011, 222022, 282899, 555055, 565798, 1110110, 1414495, 2828990, 8769869, 17539738, 43849345, 87698690]

約数ペア:

[(1, 87698690), (2, 43849345), (5, 17539738), (10, 8769869), (31, 2828990), (62, 1414495), (79, 1110110), (155, 565798), (158, 555055), (310, 282899), (395, 222022), (790, 111011), (2449, 35810), (3581, 24490), (4898, 17905), (7162, 12245)]