25431281998

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1\times {\mathrm{1999}}^1$

素因数の和:3256

約数の個数: 32

約数和(自身を含む): 39214080000

約数和(自身を除く): 13782798002

約数列:

[1, 2, 73, 79, 146, 158, 1103, 1999, 2206, 3998, 5767, 11534, 80519, 87137, 145927, 157921, 161038, 174274, 291854, 315842, 2204897, 4409794, 6361001, 11528233, 12722002, 23056466, 160957481, 174186863, 321914962, 348373726, 12715640999, 25431281998]

約数ペア:

[(1, 25431281998), (2, 12715640999), (73, 348373726), (79, 321914962), (146, 174186863), (158, 160957481), (1103, 23056466), (1999, 12722002), (2206, 11528233), (3998, 6361001), (5767, 4409794), (11534, 2204897), (80519, 315842), (87137, 291854), (145927, 174274), (157921, 161038)]