261256555948

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{997}}^1\times {\mathrm{829249}}^1$

素因数の和:830329

約数の個数: 24

約数和(自身を含む): 463451240000

約数和(自身を除く): 202194684052

約数列:

[1, 2, 4, 79, 158, 316, 997, 1994, 3988, 78763, 157526, 315052, 829249, 1658498, 3316996, 65510671, 131021342, 262042684, 826761253, 1653522506, 3307045012, 65314138987, 130628277974, 261256555948]

約数ペア:

[(1, 261256555948), (2, 130628277974), (4, 65314138987), (79, 3307045012), (158, 1653522506), (316, 826761253), (997, 262042684), (1994, 131021342), (3988, 65510671), (78763, 3316996), (157526, 1658498), (315052, 829249)]