426778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 735840

約数和(自身を除く): 309062

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 1021, 2042, 11231, 19399, 22462, 38798, 213389, 426778]

約数ペア:

[(1, 426778), (2, 213389), (11, 38798), (19, 22462), (22, 19399), (38, 11231), (209, 2042), (418, 1021)]