25959479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 33976320

約数和(自身を除く): 8016841

約数列:

[1, 7, 13, 23, 79, 91, 157, 161, 299, 553, 1027, 1099, 1817, 2041, 2093, 3611, 7189, 12403, 12719, 14287, 23621, 25277, 46943, 86821, 161239, 165347, 285269, 328601, 1128673, 1996883, 3708497, 25959479]

約数ペア:

[(1, 25959479), (7, 3708497), (13, 1996883), (23, 1128673), (79, 328601), (91, 285269), (157, 165347), (161, 161239), (299, 86821), (553, 46943), (1027, 25277), (1099, 23621), (1817, 14287), (2041, 12719), (2093, 12403), (3611, 7189)]