13156745

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 18615744

約数和(自身を除く): 5458999

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 647, 2905, 3235, 4067, 4529, 20335, 22645, 31703, 53701, 158515, 268505, 375907, 1879535, 2631349, 13156745]

約数ペア:

[(1, 13156745), (5, 2631349), (7, 1879535), (35, 375907), (49, 268505), (83, 158515), (245, 53701), (415, 31703), (581, 22645), (647, 20335), (2905, 4529), (3235, 4067)]