139956944

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{213349}}^1$

素因数の和:213398

約数の個数: 20

約数和(自身を含む): 277781700

約数和(自身を除く): 137824756

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 213349, 426698, 853396, 1706792, 3413584, 8747309, 17494618, 34989236, 69978472, 139956944]

約数ペア:

[(1, 139956944), (2, 69978472), (4, 34989236), (8, 17494618), (16, 8747309), (41, 3413584), (82, 1706792), (164, 853396), (328, 426698), (656, 213349)]