219994615

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1490

約数の個数: 16

約数和(自身を含む): 267268896

約数和(自身を除く): 47274281

約数列:

[1, 5, 113, 401, 565, 971, 2005, 4855, 45313, 109723, 226565, 389371, 548615, 1946855, 43998923, 219994615]

約数ペア:

[(1, 219994615), (5, 43998923), (113, 1946855), (401, 548615), (565, 389371), (971, 226565), (2005, 109723), (4855, 45313)]