64872665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{90731}}^1$

素因数の和:90760

約数の個数: 16

約数和(自身を含む): 91457856

約数和(自身を除く): 26585191

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 90731, 453655, 998041, 1179503, 4990205, 5897515, 12974533, 64872665]

約数ペア:

[(1, 64872665), (5, 12974533), (11, 5897515), (13, 4990205), (55, 1179503), (65, 998041), (143, 453655), (715, 90731)]