28158964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1667}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 51000768

約数和(自身を除く): 22841804

約数列:

[1, 2, 4, 41, 82, 103, 164, 206, 412, 1667, 3334, 4223, 6668, 8446, 16892, 68347, 136694, 171701, 273388, 343402, 686804, 7039741, 14079482, 28158964]

約数ペア:

[(1, 28158964), (2, 14079482), (4, 7039741), (41, 686804), (82, 343402), (103, 273388), (164, 171701), (206, 136694), (412, 68347), (1667, 16892), (3334, 8446), (4223, 6668)]