17965082009

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1\times {\mathrm{108211}}^1$

素因数の和:108896

約数の個数: 16

約数和(自身を含む): 21119519616

約数和(自身を除く): 3154437607

約数列:

[1, 7, 37, 259, 641, 4487, 23717, 108211, 166019, 757477, 4003807, 28026649, 69363251, 485542757, 2566440287, 17965082009]

約数ペア:

[(1, 17965082009), (7, 2566440287), (37, 485542757), (259, 69363251), (641, 28026649), (4487, 4003807), (23717, 757477), (108211, 166019)]