28431790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 54282240

約数和(自身を除く): 25850450

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 755, 991, 1510, 1982, 2869, 4955, 5738, 9910, 14345, 18829, 28690, 37658, 94145, 149641, 188290, 299282, 748205, 1496410, 2843179, 5686358, 14215895, 28431790]

約数ペア:

[(1, 28431790), (2, 14215895), (5, 5686358), (10, 2843179), (19, 1496410), (38, 748205), (95, 299282), (151, 188290), (190, 149641), (302, 94145), (755, 37658), (991, 28690), (1510, 18829), (1982, 14345), (2869, 9910), (4955, 5738)]