131428484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{21803}}^1$

素因数の和:21955

約数の個数: 24

約数和(自身を含む): 252751968

約数和(自身を除く): 121323484

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 6028, 21803, 43606, 87212, 239833, 479666, 959332, 2987011, 5974022, 11948044, 32857121, 65714242, 131428484]

約数ペア:

[(1, 131428484), (2, 65714242), (4, 32857121), (11, 11948044), (22, 5974022), (44, 2987011), (137, 959332), (274, 479666), (548, 239833), (1507, 87212), (3014, 43606), (6028, 21803)]