81169691

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2087}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 90201600

約数和(自身を除く): 9031909

約数列:

[1, 19, 23, 89, 437, 1691, 2047, 2087, 38893, 39653, 48001, 185743, 912019, 3529117, 4272089, 81169691]

約数ペア:

[(1, 81169691), (19, 4272089), (23, 3529117), (89, 912019), (437, 185743), (1691, 48001), (2047, 39653), (2087, 38893)]