211187405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6869}}^1$

素因数の和:6941

約数の個数: 32

約数和(自身を含む): 304698240

約数和(自身を除く): 93510835

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 715, 2365, 2795, 6149, 6869, 30745, 34345, 75559, 89297, 295367, 377795, 446485, 982267, 1476835, 3249037, 3839771, 4911335, 16245185, 19198855, 42237481, 211187405]

約数ペア:

[(1, 211187405), (5, 42237481), (11, 19198855), (13, 16245185), (43, 4911335), (55, 3839771), (65, 3249037), (143, 1476835), (215, 982267), (473, 446485), (559, 377795), (715, 295367), (2365, 89297), (2795, 75559), (6149, 34345), (6869, 30745)]