128757473

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 155748096

約数和(自身を除く): 26990623

約数列:

[1, 13, 17, 23, 73, 221, 299, 347, 391, 949, 1241, 1679, 4511, 5083, 5899, 7981, 16133, 21827, 25331, 28543, 76687, 103753, 135677, 329303, 371059, 430627, 582613, 1763801, 5598151, 7573969, 9904421, 128757473]

約数ペア:

[(1, 128757473), (13, 9904421), (17, 7573969), (23, 5598151), (73, 1763801), (221, 582613), (299, 430627), (347, 371059), (391, 329303), (949, 135677), (1241, 103753), (1679, 76687), (4511, 28543), (5083, 25331), (5899, 21827), (7981, 16133)]