216229805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{4091}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 292561632

約数和(自身を除く): 76331827

約数列:

[1, 5, 11, 31, 55, 155, 341, 961, 1705, 4091, 4805, 10571, 20455, 45001, 52855, 126821, 225005, 634105, 1395031, 3931451, 6975155, 19657255, 43245961, 216229805]

約数ペア:

[(1, 216229805), (5, 43245961), (11, 19657255), (31, 6975155), (55, 3931451), (155, 1395031), (341, 634105), (961, 225005), (1705, 126821), (4091, 52855), (4805, 45001), (10571, 20455)]