289357991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{1181}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 319310208

約数和(自身を除く): 29952217

約数列:

[1, 13, 47, 401, 611, 1181, 5213, 15353, 18847, 55507, 245011, 473581, 721591, 6156553, 22258307, 289357991]

約数ペア:

[(1, 289357991), (13, 22258307), (47, 6156553), (401, 721591), (611, 473581), (1181, 245011), (5213, 55507), (15353, 18847)]