201718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 16

約数和(自身を含む): 338256

約数和(自身を除く): 136538

約数列:

[1, 2, 11, 22, 53, 106, 173, 346, 583, 1166, 1903, 3806, 9169, 18338, 100859, 201718]

約数ペア:

[(1, 201718), (2, 100859), (11, 18338), (22, 9169), (53, 3806), (106, 1903), (173, 1166), (346, 583)]