2013121705

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{646267}}^1$

素因数の和:646368

約数の個数: 16

約数和(自身を含む): 2791877760

約数和(自身を除く): 778756055

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 646267, 3231335, 4523869, 22619345, 57517763, 287588815, 402624341, 2013121705]

約数ペア:

[(1, 2013121705), (5, 402624341), (7, 287588815), (35, 57517763), (89, 22619345), (445, 4523869), (623, 3231335), (3115, 646267)]