81239144

素因数分解:

$2^3\times 7^1\times {\mathrm{1450699}}^1$

素因数の和:1450712

約数の個数: 16

約数和(自身を含む): 174084000

約数和(自身を除く): 92844856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1450699, 2901398, 5802796, 10154893, 11605592, 20309786, 40619572, 81239144]

約数ペア:

[(1, 81239144), (2, 40619572), (4, 20309786), (7, 11605592), (8, 10154893), (14, 5802796), (28, 2901398), (56, 1450699)]