25331236

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 53200000

約数和(自身を除く): 27868764

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 499, 518, 686, 998, 1036, 1372, 1813, 1996, 3493, 3626, 6986, 7252, 12691, 13972, 18463, 24451, 25382, 36926, 48902, 50764, 73852, 97804, 129241, 171157, 258482, 342314, 516964, 684628, 904687, 1809374, 3618748, 6332809, 12665618, 25331236]

約数ペア:

[(1, 25331236), (2, 12665618), (4, 6332809), (7, 3618748), (14, 1809374), (28, 904687), (37, 684628), (49, 516964), (74, 342314), (98, 258482), (148, 171157), (196, 129241), (259, 97804), (343, 73852), (499, 50764), (518, 48902), (686, 36926), (998, 25382), (1036, 24451), (1372, 18463), (1813, 13972), (1996, 12691), (3493, 7252), (3626, 6986)]