225140786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{21487}}^1$

素因数の和:21546

約数の個数: 24

約数和(自身を含む): 377501184

約数和(自身を除く): 152360398

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 21487, 42974, 279331, 558662, 666097, 1332194, 3631303, 7262606, 8659261, 17318522, 112570393, 225140786]

約数ペア:

[(1, 225140786), (2, 112570393), (13, 17318522), (26, 8659261), (31, 7262606), (62, 3631303), (169, 1332194), (338, 666097), (403, 558662), (806, 279331), (5239, 42974), (10478, 21487)]