251841238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{937}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 434931840

約数和(自身を除く): 183090602

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 643, 937, 1286, 1874, 7073, 10307, 12217, 14146, 17803, 20614, 24434, 35606, 134387, 195833, 268774, 391666, 602491, 1204982, 6627401, 11447329, 13254802, 22894658, 125920619, 251841238]

約数ペア:

[(1, 251841238), (2, 125920619), (11, 22894658), (19, 13254802), (22, 11447329), (38, 6627401), (209, 1204982), (418, 602491), (643, 391666), (937, 268774), (1286, 195833), (1874, 134387), (7073, 35606), (10307, 24434), (12217, 20614), (14146, 17803)]