39998578

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{809}}^1$

素因数の和:1289

約数の個数: 16

約数和(自身を含む): 61236000

約数和(自身を除く): 21237422

約数列:

[1, 2, 59, 118, 419, 809, 838, 1618, 24721, 47731, 49442, 95462, 338971, 677942, 19999289, 39998578]

約数ペア:

[(1, 39998578), (2, 19999289), (59, 677942), (118, 338971), (419, 95462), (809, 49442), (838, 47731), (1618, 24721)]