1991231144

素因数分解:

$2^3\times 7^1\times {\mathrm{35557699}}^1$

素因数の和:35557712

約数の個数: 16

約数和(自身を含む): 4266924000

約数和(自身を除く): 2275692856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 35557699, 71115398, 142230796, 248903893, 284461592, 497807786, 995615572, 1991231144]

約数ペア:

[(1, 1991231144), (2, 995615572), (4, 497807786), (7, 284461592), (8, 248903893), (14, 142230796), (28, 71115398), (56, 35557699)]