1556543456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{19387}}^1$

素因数の和:19603

約数の個数: 48

約数和(自身を含む): 3317441904

約数和(自身を除く): 1760898448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 193, 208, 386, 416, 772, 1544, 2509, 3088, 5018, 6176, 10036, 19387, 20072, 38774, 40144, 77548, 80288, 155096, 252031, 310192, 504062, 620384, 1008124, 2016248, 3741691, 4032496, 7483382, 8064992, 14966764, 29933528, 48641983, 59867056, 97283966, 119734112, 194567932, 389135864, 778271728, 1556543456]

約数ペア:

[(1, 1556543456), (2, 778271728), (4, 389135864), (8, 194567932), (13, 119734112), (16, 97283966), (26, 59867056), (32, 48641983), (52, 29933528), (104, 14966764), (193, 8064992), (208, 7483382), (386, 4032496), (416, 3741691), (772, 2016248), (1544, 1008124), (2509, 620384), (3088, 504062), (5018, 310192), (6176, 252031), (10036, 155096), (19387, 80288), (20072, 77548), (38774, 40144)]