25552471

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 6703529

約数列:

[1, 7, 23, 41, 49, 79, 161, 287, 343, 553, 943, 1127, 1817, 2009, 3239, 3871, 6601, 7889, 12719, 14063, 22673, 27097, 46207, 74497, 89033, 158711, 323449, 521479, 623231, 1110977, 3650353, 25552471]

約数ペア:

[(1, 25552471), (7, 3650353), (23, 1110977), (41, 623231), (49, 521479), (79, 323449), (161, 158711), (287, 89033), (343, 74497), (553, 46207), (943, 27097), (1127, 22673), (1817, 14063), (2009, 12719), (3239, 7889), (3871, 6601)]