86718218

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{2473}}^1$

素因数の和:2761

約数の個数: 16

約数和(自身を含む): 132260040

約数和(自身を除く): 45541822

約数列:

[1, 2, 89, 178, 197, 394, 2473, 4946, 17533, 35066, 220097, 440194, 487181, 974362, 43359109, 86718218]

約数ペア:

[(1, 86718218), (2, 43359109), (89, 974362), (178, 487181), (197, 440194), (394, 220097), (2473, 35066), (4946, 17533)]