156720981109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{6977}}^1\times {\mathrm{291721}}^1$

素因数の和:298716

約数の個数: 16

約数和(自身を含む): 195421067136

約数和(自身を除く): 38700086027

約数列:

[1, 7, 11, 77, 6977, 48839, 76747, 291721, 537229, 2042047, 3208931, 22462517, 2035337417, 14247361919, 22388711587, 156720981109]

約数ペア:

[(1, 156720981109), (7, 22388711587), (11, 14247361919), (77, 2035337417), (6977, 22462517), (48839, 3208931), (76747, 2042047), (291721, 537229)]