15979227265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{820921}}^1$

素因数の和:821172

約数の個数: 16

約数和(自身を含む): 20391702480

約数和(自身を除く): 4412475215

約数列:

[1, 5, 17, 85, 229, 1145, 3893, 19465, 820921, 4104605, 13955657, 69778285, 187990909, 939954545, 3195845453, 15979227265]

約数ペア:

[(1, 15979227265), (5, 3195845453), (17, 939954545), (85, 187990909), (229, 69778285), (1145, 13955657), (3893, 4104605), (19465, 820921)]