639109745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1\times {\mathrm{5171}}^1$

素因数の和:6496

約数の個数: 16

約数和(自身を含む): 808073280

約数和(自身を除く): 168963535

約数列:

[1, 5, 19, 95, 1301, 5171, 6505, 24719, 25855, 98249, 123595, 491245, 6727471, 33637355, 127821949, 639109745]

約数ペア:

[(1, 639109745), (5, 127821949), (19, 33637355), (95, 6727471), (1301, 491245), (5171, 123595), (6505, 98249), (24719, 25855)]