198556798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2671}}^1$

素因数の和:2824

約数の個数: 32

約数和(自身を含む): 338595840

約数和(自身を除く): 140039042

約数列:

[1, 2, 11, 22, 31, 62, 109, 218, 341, 682, 1199, 2398, 2671, 3379, 5342, 6758, 29381, 37169, 58762, 74338, 82801, 165602, 291139, 582278, 910811, 1821622, 3202529, 6405058, 9025309, 18050618, 99278399, 198556798]

約数ペア:

[(1, 198556798), (2, 99278399), (11, 18050618), (22, 9025309), (31, 6405058), (62, 3202529), (109, 1821622), (218, 910811), (341, 582278), (682, 291139), (1199, 165602), (2398, 82801), (2671, 74338), (3379, 58762), (5342, 37169), (6758, 29381)]