28418278

素因数分解:

$2^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{5531}}^1$

素因数の和:5907

約数の個数: 16

約数和(自身を含む): 48858624

約数和(自身を除く): 20440346

約数列:

[1, 2, 7, 14, 367, 734, 2569, 5138, 5531, 11062, 38717, 77434, 2029877, 4059754, 14209139, 28418278]

約数ペア:

[(1, 28418278), (2, 14209139), (7, 4059754), (14, 2029877), (367, 77434), (734, 38717), (2569, 11062), (5138, 5531)]