13028816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19861}}^1$

素因数の和:19910

約数の個数: 20

約数和(自身を含む): 25860324

約数和(自身を除く): 12831508

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19861, 39722, 79444, 158888, 317776, 814301, 1628602, 3257204, 6514408, 13028816]

約数ペア:

[(1, 13028816), (2, 6514408), (4, 3257204), (8, 1628602), (16, 814301), (41, 317776), (82, 158888), (164, 79444), (328, 39722), (656, 19861)]