129378425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16223}}^1$

素因数の和:16273

約数の個数: 24

約数和(自身を含む): 181059840

約数和(自身を除く): 51681415

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 7975, 16223, 81115, 178453, 405575, 470467, 892265, 2352335, 4461325, 5175137, 11761675, 25875685, 129378425]

約数ペア:

[(1, 129378425), (5, 25875685), (11, 11761675), (25, 5175137), (29, 4461325), (55, 2352335), (145, 892265), (275, 470467), (319, 405575), (725, 178453), (1595, 81115), (7975, 16223)]