74567857

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2430

約数の個数: 20

約数和(自身を含む): 93721460

約数和(自身を除く): 19153603

約数列:

[1, 7, 13, 49, 91, 343, 637, 2389, 2401, 4459, 16723, 31057, 31213, 117061, 217399, 819427, 1521793, 5735989, 10652551, 74567857]

約数ペア:

[(1, 74567857), (7, 10652551), (13, 5735989), (49, 1521793), (91, 819427), (343, 217399), (637, 117061), (2389, 31213), (2401, 31057), (4459, 16723)]