25642239

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 43600896

約数和(自身を除く): 17958657

約数列:

[1, 3, 7, 17, 21, 31, 49, 51, 93, 119, 147, 217, 331, 357, 527, 651, 833, 993, 1519, 1581, 2317, 2499, 3689, 4557, 5627, 6951, 10261, 11067, 16219, 16881, 25823, 30783, 39389, 48657, 71827, 77469, 118167, 174437, 215481, 275723, 502789, 523311, 827169, 1221059, 1508367, 3663177, 8547413, 25642239]

約数ペア:

[(1, 25642239), (3, 8547413), (7, 3663177), (17, 1508367), (21, 1221059), (31, 827169), (49, 523311), (51, 502789), (93, 275723), (119, 215481), (147, 174437), (217, 118167), (331, 77469), (357, 71827), (527, 48657), (651, 39389), (833, 30783), (993, 25823), (1519, 16881), (1581, 16219), (2317, 11067), (2499, 10261), (3689, 6951), (4557, 5627)]