388931905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{6689}}^1$

素因数の和:7124

約数の個数: 16

約数和(自身を含む): 484088400

約数和(自身を除く): 95156495

約数列:

[1, 5, 29, 145, 401, 2005, 6689, 11629, 33445, 58145, 193981, 969905, 2682289, 13411445, 77786381, 388931905]

約数ペア:

[(1, 388931905), (5, 77786381), (29, 13411445), (145, 2682289), (401, 969905), (2005, 193981), (6689, 58145), (11629, 33445)]