628180345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1319}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 862202880

約数和(自身を除く): 234022535

約数列:

[1, 5, 13, 17, 65, 85, 221, 431, 1105, 1319, 2155, 5603, 6595, 7327, 17147, 22423, 28015, 36635, 85735, 95251, 112115, 291499, 476255, 568489, 1457495, 2842445, 7390357, 9664313, 36951785, 48321565, 125636069, 628180345]

約数ペア:

[(1, 628180345), (5, 125636069), (13, 48321565), (17, 36951785), (65, 9664313), (85, 7390357), (221, 2842445), (431, 1457495), (1105, 568489), (1319, 476255), (2155, 291499), (5603, 112115), (6595, 95251), (7327, 85735), (17147, 36635), (22423, 28015)]