2150215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 2695968

約数和(自身を除く): 545753

約数列:

[1, 5, 43, 73, 137, 215, 365, 685, 3139, 5891, 10001, 15695, 29455, 50005, 430043, 2150215]

約数ペア:

[(1, 2150215), (5, 430043), (43, 50005), (73, 29455), (137, 15695), (215, 10001), (365, 5891), (685, 3139)]