12956890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 11926310

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 383, 398, 766, 995, 1915, 1990, 3383, 3830, 6511, 6766, 13022, 16915, 32555, 33830, 65110, 76217, 152434, 381085, 762170, 1295689, 2591378, 6478445, 12956890]

約数ペア:

[(1, 12956890), (2, 6478445), (5, 2591378), (10, 1295689), (17, 762170), (34, 381085), (85, 152434), (170, 76217), (199, 65110), (383, 33830), (398, 32555), (766, 16915), (995, 13022), (1915, 6766), (1990, 6511), (3383, 3830)]