40290478

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:1043

約数の個数: 16

約数和(自身を含む): 61372080

約数和(自身を除く): 21081602

約数列:

[1, 2, 89, 178, 461, 491, 922, 982, 41029, 43699, 82058, 87398, 226351, 452702, 20145239, 40290478]

約数ペア:

[(1, 40290478), (2, 20145239), (89, 452702), (178, 226351), (461, 87398), (491, 82058), (922, 43699), (982, 41029)]