81935128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{953}}^1\times {\mathrm{977}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 167942160

約数和(自身を除く): 86007032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 953, 977, 1906, 1954, 3812, 3908, 7624, 7816, 10483, 10747, 20966, 21494, 41932, 42988, 83864, 85976, 931081, 1862162, 3724324, 7448648, 10241891, 20483782, 40967564, 81935128]

約数ペア:

[(1, 81935128), (2, 40967564), (4, 20483782), (8, 10241891), (11, 7448648), (22, 3724324), (44, 1862162), (88, 931081), (953, 85976), (977, 83864), (1906, 42988), (1954, 41932), (3812, 21494), (3908, 20966), (7624, 10747), (7816, 10483)]