72152215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{4243}}^1$

素因数の和:4446

約数の個数: 16

約数和(自身を含む): 91670400

約数和(自身を除く): 19518185

約数列:

[1, 5, 19, 95, 179, 895, 3401, 4243, 17005, 21215, 80617, 403085, 759497, 3797485, 14430443, 72152215]

約数ペア:

[(1, 72152215), (5, 14430443), (19, 3797485), (95, 759497), (179, 403085), (895, 80617), (3401, 21215), (4243, 17005)]