15621328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{23813}}^1$

素因数の和:23862

約数の個数: 20

約数和(自身を含む): 31005828

約数和(自身を除く): 15384500

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 23813, 47626, 95252, 190504, 381008, 976333, 1952666, 3905332, 7810664, 15621328]

約数ペア:

[(1, 15621328), (2, 7810664), (4, 3905332), (8, 1952666), (16, 976333), (41, 381008), (82, 190504), (164, 95252), (328, 47626), (656, 23813)]