215920606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{38189}}^1$

素因数の和:38459

約数の個数: 16

約数和(自身を含む): 354708720

約数和(自身を除く): 138788114

約数列:

[1, 2, 11, 22, 257, 514, 2827, 5654, 38189, 76378, 420079, 840158, 9814573, 19629146, 107960303, 215920606]

約数ペア:

[(1, 215920606), (2, 107960303), (11, 19629146), (22, 9814573), (257, 840158), (514, 420079), (2827, 76378), (5654, 38189)]