208320554

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{9199}}^1$

素因数の和:9294

約数の個数: 24

約数和(自身を含む): 343454400

約数和(自身を除く): 135133846

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1742, 9199, 11323, 18398, 22646, 119587, 239174, 616333, 1232666, 1554631, 3109262, 8012329, 16024658, 104160277, 208320554]

約数ペア:

[(1, 208320554), (2, 104160277), (13, 16024658), (26, 8012329), (67, 3109262), (134, 1554631), (169, 1232666), (338, 616333), (871, 239174), (1742, 119587), (9199, 22646), (11323, 18398)]