28786571428

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{26597}}^1$

素因数の和:26812

約数の個数: 48

約数和(自身を含む): 52978109184

約数和(自身を除く): 24191537756

約数列:

[1, 2, 4, 37, 71, 74, 103, 142, 148, 206, 284, 412, 2627, 3811, 5254, 7313, 7622, 10508, 14626, 15244, 26597, 29252, 53194, 106388, 270581, 541162, 984089, 1082324, 1888387, 1968178, 2739491, 3776774, 3936356, 5478982, 7553548, 10957964, 69870319, 101361167, 139740638, 194503861, 202722334, 279481276, 389007722, 405444668, 778015444, 7196642857, 14393285714, 28786571428]

約数ペア:

[(1, 28786571428), (2, 14393285714), (4, 7196642857), (37, 778015444), (71, 405444668), (74, 389007722), (103, 279481276), (142, 202722334), (148, 194503861), (206, 139740638), (284, 101361167), (412, 69870319), (2627, 10957964), (3811, 7553548), (5254, 5478982), (7313, 3936356), (7622, 3776774), (10508, 2739491), (14626, 1968178), (15244, 1888387), (26597, 1082324), (29252, 984089), (53194, 541162), (106388, 270581)]