72543965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 97203456

約数和(自身を除く): 24659491

約数列:

[1, 5, 13, 41, 65, 163, 167, 205, 533, 815, 835, 2119, 2171, 2665, 6683, 6847, 10595, 10855, 27221, 33415, 34235, 86879, 89011, 136105, 353873, 434395, 445055, 1116061, 1769365, 5580305, 14508793, 72543965]

約数ペア:

[(1, 72543965), (5, 14508793), (13, 5580305), (41, 1769365), (65, 1116061), (163, 445055), (167, 434395), (205, 353873), (533, 136105), (815, 89011), (835, 86879), (2119, 34235), (2171, 33415), (2665, 27221), (6683, 10855), (6847, 10595)]