138020905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 186624000

約数和(自身を除く): 48603095

約数列:

[1, 5, 11, 47, 55, 107, 235, 499, 517, 535, 1177, 2495, 2585, 5029, 5489, 5885, 23453, 25145, 27445, 53393, 55319, 117265, 257983, 266965, 276595, 587323, 1289915, 2509471, 2936615, 12547355, 27604181, 138020905]

約数ペア:

[(1, 138020905), (5, 27604181), (11, 12547355), (47, 2936615), (55, 2509471), (107, 1289915), (235, 587323), (499, 276595), (517, 266965), (535, 257983), (1177, 117265), (2495, 55319), (2585, 53393), (5029, 27445), (5489, 25145), (5885, 23453)]