1661523566

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{20261}}^1$

素因数の和:20707

約数の個数: 16

約数和(自身を含む): 2519458128

約数和(自身を除く): 857934562

約数列:

[1, 2, 131, 262, 313, 626, 20261, 40522, 41003, 82006, 2654191, 5308382, 6341693, 12683386, 830761783, 1661523566]

約数ペア:

[(1, 1661523566), (2, 830761783), (131, 12683386), (262, 6341693), (313, 5308382), (626, 2654191), (20261, 82006), (40522, 41003)]