261601895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{41957}}^1$

素因数の和:42034

約数の個数: 16

約数和(自身を含む): 332307360

約数和(自身を除く): 70705465

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 41957, 209785, 1216753, 1804151, 6083765, 9020755, 52320379, 261601895]

約数ペア:

[(1, 261601895), (5, 52320379), (29, 9020755), (43, 6083765), (145, 1804151), (215, 1216753), (1247, 209785), (6235, 41957)]