78897356870

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{39646913}}^1$

素因数の和:39647119

約数の個数: 16

約数和(自身を含む): 142728890400

約数和(自身を除く): 63831533530

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 39646913, 79293826, 198234565, 396469130, 7889735687, 15779471374, 39448678435, 78897356870]

約数ペア:

[(1, 78897356870), (2, 39448678435), (5, 15779471374), (10, 7889735687), (199, 396469130), (398, 198234565), (995, 79293826), (1990, 39646913)]