72281905

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5503}}^1$

素因数の和:5616

約数の個数: 16

約数和(自身を含む): 90353664

約数和(自身を除く): 18071759

約数列:

[1, 5, 37, 71, 185, 355, 2627, 5503, 13135, 27515, 203611, 390713, 1018055, 1953565, 14456381, 72281905]

約数ペア:

[(1, 72281905), (5, 14456381), (37, 1953565), (71, 1018055), (185, 390713), (355, 203611), (2627, 27515), (5503, 13135)]