1109988971

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{857}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 1403770368

約数和(自身を除く): 293781397

約数列:

[1, 7, 13, 43, 91, 301, 331, 559, 857, 2317, 3913, 4303, 5999, 11141, 14233, 30121, 36851, 77987, 99631, 185029, 257957, 283667, 479063, 1295203, 1985669, 3353441, 3687671, 12197681, 25813697, 85383767, 158569853, 1109988971]

約数ペア:

[(1, 1109988971), (7, 158569853), (13, 85383767), (43, 25813697), (91, 12197681), (301, 3687671), (331, 3353441), (559, 1985669), (857, 1295203), (2317, 479063), (3913, 283667), (4303, 257957), (5999, 185029), (11141, 99631), (14233, 77987), (30121, 36851)]