138243838

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{5573}}^1$

素因数の和:5811

約数の個数: 16

約数和(自身を含む): 211366080

約数和(自身を除く): 73122242

約数列:

[1, 2, 79, 157, 158, 314, 5573, 11146, 12403, 24806, 440267, 874961, 880534, 1749922, 69121919, 138243838]

約数ペア:

[(1, 138243838), (2, 69121919), (79, 1749922), (157, 880534), (158, 874961), (314, 440267), (5573, 24806), (11146, 12403)]