18149486525

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 23085331968

約数和(自身を除く): 4935845443

約数列:

[1, 5, 25, 113, 151, 157, 271, 565, 755, 785, 1355, 2825, 3775, 3925, 6775, 17063, 17741, 23707, 30623, 40921, 42547, 85315, 88705, 118535, 153115, 204605, 212735, 426575, 443525, 592675, 765575, 1023025, 1063675, 2678891, 4624073, 4807811, 6424597, 13394455, 23120365, 24039055, 32122985, 66972275, 115601825, 120195275, 160614925, 725979461, 3629897305, 18149486525]

約数ペア:

[(1, 18149486525), (5, 3629897305), (25, 725979461), (113, 160614925), (151, 120195275), (157, 115601825), (271, 66972275), (565, 32122985), (755, 24039055), (785, 23120365), (1355, 13394455), (2825, 6424597), (3775, 4807811), (3925, 4624073), (6775, 2678891), (17063, 1063675), (17741, 1023025), (23707, 765575), (30623, 592675), (40921, 443525), (42547, 426575), (85315, 212735), (88705, 204605), (118535, 153115)]