251872236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90863}}^1$

素因数の和:90891

約数の個数: 72

約数和(自身を含む): 793787904

約数和(自身を除く): 541915668

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 90863, 181726, 272589, 363452, 545178, 636041, 817767, 999493, 1090356, 1272082, 1635534, 1908123, 1998986, 2544164, 2998479, 3271068, 3816246, 3997972, 5724369, 5996958, 6996451, 7632492, 8995437, 11448738, 11993916, 13992902, 17990874, 20989353, 22897476, 27985804, 35981748, 41978706, 62968059, 83957412, 125936118, 251872236]

約数ペア:

[(1, 251872236), (2, 125936118), (3, 83957412), (4, 62968059), (6, 41978706), (7, 35981748), (9, 27985804), (11, 22897476), (12, 20989353), (14, 17990874), (18, 13992902), (21, 11993916), (22, 11448738), (28, 8995437), (33, 7632492), (36, 6996451), (42, 5996958), (44, 5724369), (63, 3997972), (66, 3816246), (77, 3271068), (84, 2998479), (99, 2544164), (126, 1998986), (132, 1908123), (154, 1635534), (198, 1272082), (231, 1090356), (252, 999493), (308, 817767), (396, 636041), (462, 545178), (693, 363452), (924, 272589), (1386, 181726), (2772, 90863)]