66199445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 91445760

約数和(自身を除く): 25246315

約数列:

[1, 5, 13, 17, 65, 85, 139, 221, 431, 695, 1105, 1807, 2155, 2363, 5603, 7327, 9035, 11815, 28015, 30719, 36635, 59909, 95251, 153595, 299545, 476255, 778817, 1018453, 3894085, 5092265, 13239889, 66199445]

約数ペア:

[(1, 66199445), (5, 13239889), (13, 5092265), (17, 3894085), (65, 1018453), (85, 778817), (139, 476255), (221, 299545), (431, 153595), (695, 95251), (1105, 59909), (1807, 36635), (2155, 30719), (2363, 28015), (5603, 11815), (7327, 9035)]