81600872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1399}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 160272000

約数和(自身を除く): 78671128

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 317, 634, 1268, 1399, 2536, 2798, 5596, 7291, 11192, 14582, 29164, 32177, 58328, 64354, 128708, 257416, 443483, 886966, 1773932, 3547864, 10200109, 20400218, 40800436, 81600872]

約数ペア:

[(1, 81600872), (2, 40800436), (4, 20400218), (8, 10200109), (23, 3547864), (46, 1773932), (92, 886966), (184, 443483), (317, 257416), (634, 128708), (1268, 64354), (1399, 58328), (2536, 32177), (2798, 29164), (5596, 14582), (7291, 11192)]