217976642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{106123}}^1$

素因数の和:106217

約数の個数: 16

約数和(自身を含む): 356576640

約数和(自身を除く): 138599998

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 106123, 212246, 1379599, 2759198, 8383717, 16767434, 108988321, 217976642]

約数ペア:

[(1, 217976642), (2, 108988321), (13, 16767434), (26, 8383717), (79, 2759198), (158, 1379599), (1027, 212246), (2054, 106123)]