40666538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{2857}}^1$

素因数の和:3517

約数の個数: 16

約数和(自身を含む): 66671424

約数和(自身を除く): 26004886

約数列:

[1, 2, 11, 22, 647, 1294, 2857, 5714, 7117, 14234, 31427, 62854, 1848479, 3696958, 20333269, 40666538]

約数ペア:

[(1, 40666538), (2, 20333269), (11, 3696958), (22, 1848479), (647, 62854), (1294, 31427), (2857, 14234), (5714, 7117)]