217440296

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{108287}}^1$

素因数の和:108544

約数の個数: 16

約数和(自身を含む): 409328640

約数和(自身を除く): 191888344

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 108287, 216574, 433148, 866296, 27180037, 54360074, 108720148, 217440296]

約数ペア:

[(1, 217440296), (2, 108720148), (4, 54360074), (8, 27180037), (251, 866296), (502, 433148), (1004, 216574), (2008, 108287)]