211313245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{617}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 299013120

約数和(自身を除く): 87699875

約数列:

[1, 5, 11, 13, 55, 65, 143, 479, 617, 715, 2395, 3085, 5269, 6227, 6787, 8021, 26345, 31135, 33935, 40105, 68497, 88231, 295543, 342485, 441155, 1477715, 3250973, 3842059, 16254865, 19210295, 42262649, 211313245]

約数ペア:

[(1, 211313245), (5, 42262649), (11, 19210295), (13, 16254865), (55, 3842059), (65, 3250973), (143, 1477715), (479, 441155), (617, 342485), (715, 295543), (2395, 88231), (3085, 68497), (5269, 40105), (6227, 33935), (6787, 31135), (8021, 26345)]