64687495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{10163}}^1$

素因数の和:10254

約数の個数: 16

約数和(自身を含む): 82938240

約数和(自身を除く): 18250745

約数列:

[1, 5, 19, 67, 95, 335, 1273, 6365, 10163, 50815, 193097, 680921, 965485, 3404605, 12937499, 64687495]

約数ペア:

[(1, 64687495), (5, 12937499), (19, 3404605), (67, 965485), (95, 680921), (335, 193097), (1273, 50815), (6365, 10163)]