1640804045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{2549}}^1\times {\mathrm{7573}}^1$

素因数の和:10144

約数の個数: 16

約数和(自身を含む): 2085879600

約数和(自身を除く): 445075555

約数列:

[1, 5, 17, 85, 2549, 7573, 12745, 37865, 43333, 128741, 216665, 643705, 19303577, 96517885, 328160809, 1640804045]

約数ペア:

[(1, 1640804045), (5, 328160809), (17, 96517885), (85, 19303577), (2549, 643705), (7573, 216665), (12745, 128741), (37865, 43333)]