12999965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 17550432

約数和(自身を除く): 4550467

約数列:

[1, 5, 11, 47, 55, 107, 235, 517, 535, 1177, 2209, 2585, 5029, 5885, 11045, 24299, 25145, 55319, 121495, 236363, 276595, 1181815, 2599993, 12999965]

約数ペア:

[(1, 12999965), (5, 2599993), (11, 1181815), (47, 276595), (55, 236363), (107, 121495), (235, 55319), (517, 25145), (535, 24299), (1177, 11045), (2209, 5885), (2585, 5029)]