128558608

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 252983808

約数和(自身を除く): 124425200

約数列:

[1, 2, 4, 8, 16, 137, 223, 263, 274, 446, 526, 548, 892, 1052, 1096, 1784, 2104, 2192, 3568, 4208, 30551, 36031, 58649, 61102, 72062, 117298, 122204, 144124, 234596, 244408, 288248, 469192, 488816, 576496, 938384, 8034913, 16069826, 32139652, 64279304, 128558608]

約数ペア:

[(1, 128558608), (2, 64279304), (4, 32139652), (8, 16069826), (16, 8034913), (137, 938384), (223, 576496), (263, 488816), (274, 469192), (446, 288248), (526, 244408), (548, 234596), (892, 144124), (1052, 122204), (1096, 117298), (1784, 72062), (2104, 61102), (2192, 58649), (3568, 36031), (4208, 30551)]