51380615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71861}}^1$

素因数の和:71890

約数の個数: 16

約数和(自身を含む): 72436896

約数和(自身を除く): 21056281

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 71861, 359305, 790471, 934193, 3952355, 4670965, 10276123, 51380615]

約数ペア:

[(1, 51380615), (5, 10276123), (11, 4670965), (13, 3952355), (55, 934193), (65, 790471), (143, 359305), (715, 71861)]