123189445

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 157459680

約数和(自身を除く): 34270235

約数列:

[1, 5, 19, 95, 139, 361, 491, 695, 1805, 2455, 2641, 9329, 13205, 46645, 50179, 68249, 177251, 250895, 341245, 886255, 1296731, 6483655, 24637889, 123189445]

約数ペア:

[(1, 123189445), (5, 24637889), (19, 6483655), (95, 1296731), (139, 886255), (361, 341245), (491, 250895), (695, 177251), (1805, 68249), (2455, 50179), (2641, 46645), (9329, 13205)]