28156396

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 50274000

約数和(自身を除く): 22117604

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 569, 1138, 2276, 12371, 24742, 49484, 50641, 79091, 101282, 158182, 202564, 316364, 7039099, 14078198, 28156396]

約数ペア:

[(1, 28156396), (2, 14078198), (4, 7039099), (89, 316364), (139, 202564), (178, 158182), (278, 101282), (356, 79091), (556, 50641), (569, 49484), (1138, 24742), (2276, 12371)]