72890455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{42751}}^1$

素因数の和:42798

約数の個数: 16

約数和(自身を含む): 98500608

約数和(自身を除く): 25610153

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 42751, 213755, 470261, 1325281, 2351305, 6626405, 14578091, 72890455]

約数ペア:

[(1, 72890455), (5, 14578091), (11, 6626405), (31, 2351305), (55, 1325281), (155, 470261), (341, 213755), (1705, 42751)]