1688981690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{117209}}^1$

素因数の和:117358

約数の個数: 32

約数和(自身を含む): 3341891520

約数和(自身を除く): 1652909830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 7205, 14410, 117209, 234418, 586045, 1172090, 1289299, 2578598, 6446495, 12892990, 15354379, 30708758, 76771895, 153543790, 168898169, 337796338, 844490845, 1688981690]

約数ペア:

[(1, 1688981690), (2, 844490845), (5, 337796338), (10, 168898169), (11, 153543790), (22, 76771895), (55, 30708758), (110, 15354379), (131, 12892990), (262, 6446495), (655, 2578598), (1310, 1289299), (1441, 1172090), (2882, 586045), (7205, 234418), (14410, 117209)]