28006876

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 49986720

約数和(自身を除く): 21979844

約数列:

[1, 2, 4, 89, 151, 178, 302, 356, 521, 604, 1042, 2084, 13439, 26878, 46369, 53756, 78671, 92738, 157342, 185476, 314684, 7001719, 14003438, 28006876]

約数ペア:

[(1, 28006876), (2, 14003438), (4, 7001719), (89, 314684), (151, 185476), (178, 157342), (302, 92738), (356, 78671), (521, 53756), (604, 46369), (1042, 26878), (2084, 13439)]