82757885

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 117621504

約数和(自身を除く): 34863619

約数列:

[1, 5, 7, 35, 41, 101, 205, 287, 505, 571, 707, 1435, 2855, 3535, 3997, 4141, 19985, 20705, 23411, 28987, 57671, 117055, 144935, 163877, 288355, 403697, 819385, 2018485, 2364511, 11822555, 16551577, 82757885]

約数ペア:

[(1, 82757885), (5, 16551577), (7, 11822555), (35, 2364511), (41, 2018485), (101, 819385), (205, 403697), (287, 288355), (505, 163877), (571, 144935), (707, 117055), (1435, 57671), (2855, 28987), (3535, 23411), (3997, 20705), (4141, 19985)]