65398475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1051}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 86095680

約数和(自身を除く): 20697205

約数列:

[1, 5, 19, 25, 95, 131, 475, 655, 1051, 2489, 3275, 5255, 12445, 19969, 26275, 62225, 99845, 137681, 499225, 688405, 2615939, 3442025, 13079695, 65398475]

約数ペア:

[(1, 65398475), (5, 13079695), (19, 3442025), (25, 2615939), (95, 688405), (131, 499225), (475, 137681), (655, 99845), (1051, 62225), (2489, 26275), (3275, 19969), (5255, 12445)]