245065886

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1\times {\mathrm{1453}}^1$

素因数の和:1980

約数の個数: 24

約数和(自身を含む): 399123000

約数和(自身を除く): 154057114

約数列:

[1, 2, 13, 26, 169, 338, 499, 998, 1453, 2906, 6487, 12974, 18889, 37778, 84331, 168662, 245557, 491114, 725047, 1450094, 9425611, 18851222, 122532943, 245065886]

約数ペア:

[(1, 245065886), (2, 122532943), (13, 18851222), (26, 9425611), (169, 1450094), (338, 725047), (499, 491114), (998, 245557), (1453, 168662), (2906, 84331), (6487, 37778), (12974, 18889)]