28328335

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 13604465

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1039, 1435, 3895, 5195, 5453, 7273, 19741, 27265, 36365, 42599, 98705, 138187, 212995, 298193, 690935, 809381, 1490965, 4046905, 5665667, 28328335]

約数ペア:

[(1, 28328335), (5, 5665667), (7, 4046905), (19, 1490965), (35, 809381), (41, 690935), (95, 298193), (133, 212995), (205, 138187), (287, 98705), (665, 42599), (779, 36365), (1039, 27265), (1435, 19741), (3895, 7273), (5195, 5453)]