249945444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{983}}^1\times {\mathrm{1009}}^1$

素因数の和:2009

約数の個数: 72

約数和(自身を含む): 723515520

約数和(自身を除く): 473570076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 983, 1009, 1966, 2018, 2949, 3027, 3932, 4036, 5898, 6054, 6881, 7063, 8847, 9081, 11796, 12108, 13762, 14126, 17694, 18162, 20643, 21189, 27524, 28252, 35388, 36324, 41286, 42378, 61929, 63567, 82572, 84756, 123858, 127134, 247716, 254268, 991847, 1983694, 2975541, 3967388, 5951082, 6942929, 8926623, 11902164, 13885858, 17853246, 20828787, 27771716, 35706492, 41657574, 62486361, 83315148, 124972722, 249945444]

約数ペア:

[(1, 249945444), (2, 124972722), (3, 83315148), (4, 62486361), (6, 41657574), (7, 35706492), (9, 27771716), (12, 20828787), (14, 17853246), (18, 13885858), (21, 11902164), (28, 8926623), (36, 6942929), (42, 5951082), (63, 3967388), (84, 2975541), (126, 1983694), (252, 991847), (983, 254268), (1009, 247716), (1966, 127134), (2018, 123858), (2949, 84756), (3027, 82572), (3932, 63567), (4036, 61929), (5898, 42378), (6054, 41286), (6881, 36324), (7063, 35388), (8847, 28252), (9081, 27524), (11796, 21189), (12108, 20643), (13762, 18162), (14126, 17694)]