2138968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 4379760

約数和(自身を除く): 2240792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 157, 262, 314, 524, 628, 1048, 1256, 1703, 2041, 3406, 4082, 6812, 8164, 13624, 16328, 20567, 41134, 82268, 164536, 267371, 534742, 1069484, 2138968]

約数ペア:

[(1, 2138968), (2, 1069484), (4, 534742), (8, 267371), (13, 164536), (26, 82268), (52, 41134), (104, 20567), (131, 16328), (157, 13624), (262, 8164), (314, 6812), (524, 4082), (628, 3406), (1048, 2041), (1256, 1703)]