91281385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{2131}}^1$

素因数の和:2808

約数の個数: 16

約数和(自身を含む): 118198080

約数和(自身を除く): 26916695

約数列:

[1, 5, 13, 65, 659, 2131, 3295, 8567, 10655, 27703, 42835, 138515, 1404329, 7021645, 18256277, 91281385]

約数ペア:

[(1, 91281385), (5, 18256277), (13, 7021645), (65, 1404329), (659, 138515), (2131, 42835), (3295, 27703), (8567, 10655)]