217874904

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2521}}^1$

素因数の和:2820

約数の個数: 64

約数和(自身を含む): 588937440

約数和(自身を除く): 371062536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 277, 312, 554, 831, 1108, 1662, 2216, 2521, 3324, 3601, 5042, 6648, 7202, 7563, 10084, 10803, 14404, 15126, 20168, 21606, 28808, 30252, 32773, 43212, 60504, 65546, 86424, 98319, 131092, 196638, 262184, 393276, 698317, 786552, 1396634, 2094951, 2793268, 4189902, 5586536, 8379804, 9078121, 16759608, 18156242, 27234363, 36312484, 54468726, 72624968, 108937452, 217874904]

約数ペア:

[(1, 217874904), (2, 108937452), (3, 72624968), (4, 54468726), (6, 36312484), (8, 27234363), (12, 18156242), (13, 16759608), (24, 9078121), (26, 8379804), (39, 5586536), (52, 4189902), (78, 2793268), (104, 2094951), (156, 1396634), (277, 786552), (312, 698317), (554, 393276), (831, 262184), (1108, 196638), (1662, 131092), (2216, 98319), (2521, 86424), (3324, 65546), (3601, 60504), (5042, 43212), (6648, 32773), (7202, 30252), (7563, 28808), (10084, 21606), (10803, 20168), (14404, 15126)]