999776

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 24

約数和(自身を含む): 1990800

約数和(自身を除く): 991024

約数列:

[1, 2, 4, 8, 16, 32, 157, 199, 314, 398, 628, 796, 1256, 1592, 2512, 3184, 5024, 6368, 31243, 62486, 124972, 249944, 499888, 999776]

約数ペア:

[(1, 999776), (2, 499888), (4, 249944), (8, 124972), (16, 62486), (32, 31243), (157, 6368), (199, 5024), (314, 3184), (398, 2512), (628, 1592), (796, 1256)]