42728555

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 52157088

約数和(自身を除く): 9428533

約数列:

[1, 5, 101, 211, 401, 505, 1055, 2005, 21311, 40501, 84611, 106555, 202505, 423055, 8545711, 42728555]

約数ペア:

[(1, 42728555), (5, 8545711), (101, 423055), (211, 202505), (401, 106555), (505, 84611), (1055, 40501), (2005, 21311)]