408961564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{70951}}^1$

素因数の和:71097

約数の個数: 24

約数和(自身を含む): 786715776

約数和(自身を除く): 377754212

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 70951, 141902, 283804, 780461, 1560922, 3121844, 9294581, 18589162, 37178324, 102240391, 204480782, 408961564]

約数ペア:

[(1, 408961564), (2, 204480782), (4, 102240391), (11, 37178324), (22, 18589162), (44, 9294581), (131, 3121844), (262, 1560922), (524, 780461), (1441, 283804), (2882, 141902), (5764, 70951)]