81516644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{13523}}^1$

素因数の和:13675

約数の個数: 24

約数和(自身を含む): 156770208

約数和(自身を除く): 75253564

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 6028, 13523, 27046, 54092, 148753, 297506, 595012, 1852651, 3705302, 7410604, 20379161, 40758322, 81516644]

約数ペア:

[(1, 81516644), (2, 40758322), (4, 20379161), (11, 7410604), (22, 3705302), (44, 1852651), (137, 595012), (274, 297506), (548, 148753), (1507, 54092), (3014, 27046), (6028, 13523)]