199875215

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{1549}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 243064800

約数和(自身を除く): 43189585

約数列:

[1, 5, 131, 197, 655, 985, 1549, 7745, 25807, 129035, 202919, 305153, 1014595, 1525765, 39975043, 199875215]

約数ペア:

[(1, 199875215), (5, 39975043), (131, 1525765), (197, 1014595), (655, 305153), (985, 202919), (1549, 129035), (7745, 25807)]