557831248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2681881}}^1$

素因数の和:2681902

約数の個数: 20

約数和(自身を含む): 1163936788

約数和(自身を除く): 606105540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2681881, 5363762, 10727524, 21455048, 34864453, 42910096, 69728906, 139457812, 278915624, 557831248]

約数ペア:

[(1, 557831248), (2, 278915624), (4, 139457812), (8, 69728906), (13, 42910096), (16, 34864453), (26, 21455048), (52, 10727524), (104, 5363762), (208, 2681881)]