25721956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 51614640

約数和(自身を除く): 25892684

約数列:

[1, 2, 4, 13, 26, 29, 37, 52, 58, 74, 116, 148, 377, 461, 481, 754, 922, 962, 1073, 1508, 1844, 1924, 2146, 4292, 5993, 11986, 13369, 13949, 17057, 23972, 26738, 27898, 34114, 53476, 55796, 68228, 173797, 221741, 347594, 443482, 494653, 695188, 886964, 989306, 1978612, 6430489, 12860978, 25721956]

約数ペア:

[(1, 25721956), (2, 12860978), (4, 6430489), (13, 1978612), (26, 989306), (29, 886964), (37, 695188), (52, 494653), (58, 443482), (74, 347594), (116, 221741), (148, 173797), (377, 68228), (461, 55796), (481, 53476), (754, 34114), (922, 27898), (962, 26738), (1073, 23972), (1508, 17057), (1844, 13949), (1924, 13369), (2146, 11986), (4292, 5993)]