215081855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{4057}}^1$

素因数の和:4546

約数の個数: 16

約数和(自身を含む): 269970624

約数和(自身を除く): 54888769

約数列:

[1, 5, 23, 115, 461, 2305, 4057, 10603, 20285, 53015, 93311, 466555, 1870277, 9351385, 43016371, 215081855]

約数ペア:

[(1, 215081855), (5, 43016371), (23, 9351385), (115, 1870277), (461, 466555), (2305, 93311), (4057, 53015), (10603, 20285)]