31379216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 66879648

約数和(自身を除く): 35500432

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 131, 176, 262, 524, 1048, 1361, 1441, 2096, 2722, 2882, 5444, 5764, 10888, 11528, 14971, 21776, 23056, 29942, 59884, 119768, 178291, 239536, 356582, 713164, 1426328, 1961201, 2852656, 3922402, 7844804, 15689608, 31379216]

約数ペア:

[(1, 31379216), (2, 15689608), (4, 7844804), (8, 3922402), (11, 2852656), (16, 1961201), (22, 1426328), (44, 713164), (88, 356582), (131, 239536), (176, 178291), (262, 119768), (524, 59884), (1048, 29942), (1361, 23056), (1441, 21776), (2096, 14971), (2722, 11528), (2882, 10888), (5444, 5764)]