31078390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3929}}^1$

素因数の和:4056

約数の個数: 32

約数和(自身を含む): 64514880

約数和(自身を除く): 33436490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3929, 3955, 7858, 7910, 19645, 27503, 39290, 55006, 137515, 275030, 443977, 887954, 2219885, 3107839, 4439770, 6215678, 15539195, 31078390]

約数ペア:

[(1, 31078390), (2, 15539195), (5, 6215678), (7, 4439770), (10, 3107839), (14, 2219885), (35, 887954), (70, 443977), (113, 275030), (226, 137515), (565, 55006), (791, 39290), (1130, 27503), (1582, 19645), (3929, 7910), (3955, 7858)]