31081690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^2$

素因数の和:175

約数の個数: 36

約数和(自身を含む): 58709502

約数和(自身を除く): 27627812

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1681, 1763, 1849, 3362, 3526, 3698, 8405, 8815, 9245, 16810, 17630, 18490, 72283, 75809, 144566, 151618, 361415, 379045, 722830, 758090, 3108169, 6216338, 15540845, 31081690]

約数ペア:

[(1, 31081690), (2, 15540845), (5, 6216338), (10, 3108169), (41, 758090), (43, 722830), (82, 379045), (86, 361415), (205, 151618), (215, 144566), (410, 75809), (430, 72283), (1681, 18490), (1763, 17630), (1849, 16810), (3362, 9245), (3526, 8815), (3698, 8405)]