2640417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 3843840

約数和(自身を除く): 1203423

約数列:

[1, 3, 13, 39, 79, 237, 857, 1027, 2571, 3081, 11141, 33423, 67703, 203109, 880139, 2640417]

約数ペア:

[(1, 2640417), (3, 880139), (13, 203109), (39, 67703), (79, 33423), (237, 11141), (857, 3081), (1027, 2571)]