31397254

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 56526336

約数和(自身を除く): 25129082

約数列:

[1, 2, 7, 14, 23, 46, 161, 281, 322, 347, 562, 694, 1967, 2429, 3934, 4858, 6463, 7981, 12926, 15962, 45241, 55867, 90482, 97507, 111734, 195014, 682549, 1365098, 2242661, 4485322, 15698627, 31397254]

約数ペア:

[(1, 31397254), (2, 15698627), (7, 4485322), (14, 2242661), (23, 1365098), (46, 682549), (161, 195014), (281, 111734), (322, 97507), (347, 90482), (562, 55867), (694, 45241), (1967, 15962), (2429, 12926), (3934, 7981), (4858, 6463)]