15991195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 22063104

約数和(自身を除く): 6071909

約数列:

[1, 5, 11, 31, 55, 83, 113, 155, 341, 415, 565, 913, 1243, 1705, 2573, 3503, 4565, 6215, 9379, 12865, 17515, 28303, 38533, 46895, 103169, 141515, 192665, 290749, 515845, 1453745, 3198239, 15991195]

約数ペア:

[(1, 15991195), (5, 3198239), (11, 1453745), (31, 515845), (55, 290749), (83, 192665), (113, 141515), (155, 103169), (341, 46895), (415, 38533), (565, 28303), (913, 17515), (1243, 12865), (1705, 9379), (2573, 6215), (3503, 4565)]