2213509975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{11621}}^1$

素因数の和:12051

約数の個数: 24

約数和(自身を含む): 2896667280

約数和(自身を除く): 683157305

約数列:

[1, 5, 19, 25, 95, 401, 475, 2005, 7619, 10025, 11621, 38095, 58105, 190475, 220799, 290525, 1103995, 4660021, 5519975, 23300105, 88540399, 116500525, 442701995, 2213509975]

約数ペア:

[(1, 2213509975), (5, 442701995), (19, 116500525), (25, 88540399), (95, 23300105), (401, 5519975), (475, 4660021), (2005, 1103995), (7619, 290525), (10025, 220799), (11621, 190475), (38095, 58105)]