12878282015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{562739}}^1$

素因数の和:562966

約数の個数: 16

約数和(自身を含む): 16206912000

約数和(自身を除く): 3328629985

約数列:

[1, 5, 23, 115, 199, 995, 4577, 22885, 562739, 2813695, 12942997, 64714985, 111985061, 559925305, 2575656403, 12878282015]

約数ペア:

[(1, 12878282015), (5, 2575656403), (23, 559925305), (115, 111985061), (199, 64714985), (995, 12942997), (4577, 2813695), (22885, 562739)]