561640898

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^2$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 1051391040

約数和(自身を除く): 489750142

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 149, 182, 278, 298, 973, 1043, 1807, 1937, 1946, 2086, 3614, 3874, 12649, 13559, 20711, 22201, 25298, 27118, 41422, 44402, 144977, 155407, 269243, 288613, 289954, 310814, 538486, 577226, 1884701, 2020291, 3085939, 3769402, 4040582, 6171878, 21601573, 40117207, 43203146, 80234414, 280820449, 561640898]

約数ペア:

[(1, 561640898), (2, 280820449), (7, 80234414), (13, 43203146), (14, 40117207), (26, 21601573), (91, 6171878), (139, 4040582), (149, 3769402), (182, 3085939), (278, 2020291), (298, 1884701), (973, 577226), (1043, 538486), (1807, 310814), (1937, 289954), (1946, 288613), (2086, 269243), (3614, 155407), (3874, 144977), (12649, 44402), (13559, 41422), (20711, 27118), (22201, 25298)]