31784870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8431}}^1$

素因数の和:8480

約数の個数: 32

約数和(自身を含む): 63745920

約数和(自身を除く): 31961050

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 8431, 16862, 42155, 84310, 109603, 219206, 244499, 488998, 548015, 1096030, 1222495, 2444990, 3178487, 6356974, 15892435, 31784870]

約数ペア:

[(1, 31784870), (2, 15892435), (5, 6356974), (10, 3178487), (13, 2444990), (26, 1222495), (29, 1096030), (58, 548015), (65, 488998), (130, 244499), (145, 219206), (290, 109603), (377, 84310), (754, 42155), (1885, 16862), (3770, 8431)]