25345518

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 57915648

約数和(自身を除く): 32570130

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 97, 107, 111, 194, 214, 222, 291, 321, 407, 582, 642, 814, 1067, 1177, 1221, 2134, 2354, 2442, 3201, 3531, 3589, 3959, 6402, 7062, 7178, 7918, 10379, 10767, 11877, 20758, 21534, 23754, 31137, 39479, 43549, 62274, 78958, 87098, 114169, 118437, 130647, 228338, 236874, 261294, 342507, 384023, 685014, 768046, 1152069, 2304138, 4224253, 8448506, 12672759, 25345518]

約数ペア:

[(1, 25345518), (2, 12672759), (3, 8448506), (6, 4224253), (11, 2304138), (22, 1152069), (33, 768046), (37, 685014), (66, 384023), (74, 342507), (97, 261294), (107, 236874), (111, 228338), (194, 130647), (214, 118437), (222, 114169), (291, 87098), (321, 78958), (407, 62274), (582, 43549), (642, 39479), (814, 31137), (1067, 23754), (1177, 21534), (1221, 20758), (2134, 11877), (2354, 10767), (2442, 10379), (3201, 7918), (3531, 7178), (3589, 7062), (3959, 6402)]