78397115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2371}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 99908640

約数和(自身を除く): 21511525

約数列:

[1, 5, 17, 85, 389, 1945, 2371, 6613, 11855, 33065, 40307, 201535, 922319, 4611595, 15679423, 78397115]

約数ペア:

[(1, 78397115), (5, 15679423), (17, 4611595), (85, 922319), (389, 201535), (1945, 40307), (2371, 33065), (6613, 11855)]