261034384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40483}}^1$

素因数の和:40535

約数の個数: 40

約数和(自身を含む): 562241792

約数和(自身を除く): 301207408

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 40483, 80966, 161932, 323864, 526279, 647728, 1052558, 1254973, 2105116, 2509946, 4210232, 5019892, 8420464, 10039784, 16314649, 20079568, 32629298, 65258596, 130517192, 261034384]

約数ペア:

[(1, 261034384), (2, 130517192), (4, 65258596), (8, 32629298), (13, 20079568), (16, 16314649), (26, 10039784), (31, 8420464), (52, 5019892), (62, 4210232), (104, 2509946), (124, 2105116), (208, 1254973), (248, 1052558), (403, 647728), (496, 526279), (806, 323864), (1612, 161932), (3224, 80966), (6448, 40483)]