15739705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 21337344

約数和(自身を除く): 5597639

約数列:

[1, 5, 17, 23, 83, 85, 97, 115, 391, 415, 485, 1411, 1649, 1909, 1955, 2231, 7055, 8051, 8245, 9545, 11155, 32453, 37927, 40255, 136867, 162265, 185173, 189635, 684335, 925865, 3147941, 15739705]

約数ペア:

[(1, 15739705), (5, 3147941), (17, 925865), (23, 684335), (83, 189635), (85, 185173), (97, 162265), (115, 136867), (391, 40255), (415, 37927), (485, 32453), (1411, 11155), (1649, 9545), (1909, 8245), (1955, 8051), (2231, 7055)]