13159870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 25272000

約数和(自身を除く): 12112130

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 389, 398, 778, 995, 1945, 1990, 3383, 3890, 6613, 6766, 13226, 16915, 33065, 33830, 66130, 77411, 154822, 387055, 774110, 1315987, 2631974, 6579935, 13159870]

約数ペア:

[(1, 13159870), (2, 6579935), (5, 2631974), (10, 1315987), (17, 774110), (34, 387055), (85, 154822), (170, 77411), (199, 66130), (389, 33830), (398, 33065), (778, 16915), (995, 13226), (1945, 6766), (1990, 6613), (3383, 3890)]