31218352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 66759120

約数和(自身を除く): 35540768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 1993, 3916, 3986, 7832, 7972, 15664, 15944, 21923, 31888, 43846, 87692, 175384, 177377, 350768, 354754, 709508, 1419016, 1951147, 2838032, 3902294, 7804588, 15609176, 31218352]

約数ペア:

[(1, 31218352), (2, 15609176), (4, 7804588), (8, 3902294), (11, 2838032), (16, 1951147), (22, 1419016), (44, 709508), (88, 354754), (89, 350768), (176, 177377), (178, 175384), (356, 87692), (712, 43846), (979, 31888), (1424, 21923), (1958, 15944), (1993, 15664), (3916, 7972), (3986, 7832)]