219998218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{57803}}^1$

素因数の和:57989

約数の個数: 16

約数和(自身を含む): 362084256

約数和(自身を除く): 142086038

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 57803, 115606, 635833, 1271666, 9999919, 19999838, 109999109, 219998218]

約数ペア:

[(1, 219998218), (2, 109999109), (11, 19999838), (22, 9999919), (173, 1271666), (346, 635833), (1903, 115606), (3806, 57803)]