8515210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 16848000

約数和(自身を除く): 8332790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 389, 398, 778, 995, 1945, 1990, 2189, 3890, 4279, 4378, 8558, 10945, 21395, 21890, 42790, 77411, 154822, 387055, 774110, 851521, 1703042, 4257605, 8515210]

約数ペア:

[(1, 8515210), (2, 4257605), (5, 1703042), (10, 851521), (11, 774110), (22, 387055), (55, 154822), (110, 77411), (199, 42790), (389, 21890), (398, 21395), (778, 10945), (995, 8558), (1945, 4378), (1990, 4279), (2189, 3890)]