81612235

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{2003}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 101723040

約数和(自身を除く): 20110805

約数列:

[1, 5, 29, 145, 281, 1405, 2003, 8149, 10015, 40745, 58087, 290435, 562843, 2814215, 16322447, 81612235]

約数ペア:

[(1, 81612235), (5, 16322447), (29, 2814215), (145, 562843), (281, 290435), (1405, 58087), (2003, 40745), (8149, 10015)]