398790436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{221059}}^1$

素因数の和:221115

約数の個数: 24

約数和(自身を含む): 779899680

約数和(自身を除く): 381109244

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 221059, 442118, 884236, 2431649, 4863298, 9063419, 9726596, 18126838, 36253676, 99697609, 199395218, 398790436]

約数ペア:

[(1, 398790436), (2, 199395218), (4, 99697609), (11, 36253676), (22, 18126838), (41, 9726596), (44, 9063419), (82, 4863298), (164, 2431649), (451, 884236), (902, 442118), (1804, 221059)]