198778878

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{13451}}^1$

素因数の和:14280

約数の個数: 24

約数和(自身を含む): 431244216

約数和(自身を除く): 232465338

約数列:

[1, 2, 3, 6, 9, 18, 821, 1642, 2463, 4926, 7389, 13451, 14778, 26902, 40353, 80706, 121059, 242118, 11043271, 22086542, 33129813, 66259626, 99389439, 198778878]

約数ペア:

[(1, 198778878), (2, 99389439), (3, 66259626), (6, 33129813), (9, 22086542), (18, 11043271), (821, 242118), (1642, 121059), (2463, 80706), (4926, 40353), (7389, 26902), (13451, 14778)]