31861825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 42553080

約数和(自身を除く): 10691255

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 1037, 1229, 1525, 5185, 6145, 20893, 25925, 30725, 74969, 104465, 374845, 522325, 1274473, 1874225, 6372365, 31861825]

約数ペア:

[(1, 31861825), (5, 6372365), (17, 1874225), (25, 1274473), (61, 522325), (85, 374845), (305, 104465), (425, 74969), (1037, 30725), (1229, 25925), (1525, 20893), (5185, 6145)]