201009908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{7127}}^1$

素因数の和:7783

約数の個数: 24

約数和(自身を含む): 384398784

約数和(自身を除く): 183388876

約数列:

[1, 2, 4, 11, 22, 44, 641, 1282, 2564, 7051, 7127, 14102, 14254, 28204, 28508, 78397, 156794, 313588, 4568407, 9136814, 18273628, 50252477, 100504954, 201009908]

約数ペア:

[(1, 201009908), (2, 100504954), (4, 50252477), (11, 18273628), (22, 9136814), (44, 4568407), (641, 313588), (1282, 156794), (2564, 78397), (7051, 28508), (7127, 28204), (14102, 14254)]