25019722

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 24654518

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 86, 91, 139, 161, 182, 278, 299, 301, 322, 559, 598, 602, 973, 989, 1118, 1807, 1946, 1978, 2093, 3197, 3614, 3913, 4186, 5977, 6394, 6923, 7826, 11954, 12649, 12857, 13846, 22379, 25298, 25714, 41561, 41839, 44758, 77701, 83122, 83678, 89999, 137471, 155402, 179998, 274942, 290927, 543907, 581854, 962297, 1087814, 1787123, 1924594, 3574246, 12509861, 25019722]

約数ペア:

[(1, 25019722), (2, 12509861), (7, 3574246), (13, 1924594), (14, 1787123), (23, 1087814), (26, 962297), (43, 581854), (46, 543907), (86, 290927), (91, 274942), (139, 179998), (161, 155402), (182, 137471), (278, 89999), (299, 83678), (301, 83122), (322, 77701), (559, 44758), (598, 41839), (602, 41561), (973, 25714), (989, 25298), (1118, 22379), (1807, 13846), (1946, 12857), (1978, 12649), (2093, 11954), (3197, 7826), (3614, 6923), (3913, 6394), (4186, 5977)]