16158890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2158

約数の個数: 32

約数和(自身を含む): 32192640

約数和(自身を除く): 16033750

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2069, 3905, 4138, 7810, 10345, 20690, 22759, 45518, 113795, 146899, 227590, 293798, 734495, 1468990, 1615889, 3231778, 8079445, 16158890]

約数ペア:

[(1, 16158890), (2, 8079445), (5, 3231778), (10, 1615889), (11, 1468990), (22, 734495), (55, 293798), (71, 227590), (110, 146899), (142, 113795), (355, 45518), (710, 22759), (781, 20690), (1562, 10345), (2069, 7810), (3905, 4138)]