25312028

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 29119972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 971, 1372, 1862, 1942, 3724, 3884, 6517, 6797, 13034, 13594, 18449, 26068, 27188, 36898, 47579, 73796, 95158, 129143, 190316, 258286, 333053, 516572, 666106, 904001, 1332212, 1808002, 3616004, 6328007, 12656014, 25312028]

約数ペア:

[(1, 25312028), (2, 12656014), (4, 6328007), (7, 3616004), (14, 1808002), (19, 1332212), (28, 904001), (38, 666106), (49, 516572), (76, 333053), (98, 258286), (133, 190316), (196, 129143), (266, 95158), (343, 73796), (532, 47579), (686, 36898), (931, 27188), (971, 26068), (1372, 18449), (1862, 13594), (1942, 13034), (3724, 6797), (3884, 6517)]