204578218

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{605261}}^1$

素因数の和:605289

約数の個数: 12

約数和(自身を含む): 332288838

約数和(自身を除く): 127710620

約数列:

[1, 2, 13, 26, 169, 338, 605261, 1210522, 7868393, 15736786, 102289109, 204578218]

約数ペア:

[(1, 204578218), (2, 102289109), (13, 15736786), (26, 7868393), (169, 1210522), (338, 605261)]