81168038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{305143}}^1$

素因数の和:305171

約数の個数: 16

約数和(自身を含む): 146469120

約数和(自身を除く): 65301082

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 305143, 610286, 2136001, 4272002, 5797717, 11595434, 40584019, 81168038]

約数ペア:

[(1, 81168038), (2, 40584019), (7, 11595434), (14, 5797717), (19, 4272002), (38, 2136001), (133, 610286), (266, 305143)]