678049294

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{787}}^1\times {\mathrm{2549}}^1$

素因数の和:3364

約数の個数: 24

約数和(自身を含む): 1103160600

約数和(自身を除く): 425111306

約数列:

[1, 2, 13, 26, 169, 338, 787, 1574, 2549, 5098, 10231, 20462, 33137, 66274, 133003, 266006, 430781, 861562, 2006063, 4012126, 26078819, 52157638, 339024647, 678049294]

約数ペア:

[(1, 678049294), (2, 339024647), (13, 52157638), (26, 26078819), (169, 4012126), (338, 2006063), (787, 861562), (1574, 430781), (2549, 266006), (5098, 133003), (10231, 66274), (20462, 33137)]