13981328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{21313}}^1$

素因数の和:21362

約数の個数: 20

約数和(自身を含む): 27750828

約数和(自身を除く): 13769500

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 21313, 42626, 85252, 170504, 341008, 873833, 1747666, 3495332, 6990664, 13981328]

約数ペア:

[(1, 13981328), (2, 6990664), (4, 3495332), (8, 1747666), (16, 873833), (41, 341008), (82, 170504), (164, 85252), (328, 42626), (656, 21313)]