217818865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 301289472

約数和(自身を除く): 83470607

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 341, 473, 1333, 1705, 2365, 2971, 6665, 14663, 14855, 32681, 73315, 92101, 127753, 163405, 460505, 638765, 1013111, 1405283, 3960343, 5065555, 7026415, 19801715, 43563773, 217818865]

約数ペア:

[(1, 217818865), (5, 43563773), (11, 19801715), (31, 7026415), (43, 5065555), (55, 3960343), (155, 1405283), (215, 1013111), (341, 638765), (473, 460505), (1333, 163405), (1705, 127753), (2365, 92101), (2971, 73315), (6665, 32681), (14663, 14855)]