128690.0000000

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 32

約数和(自身を含む): 13880160

約数和(自身を除く): 3982675

約数列:

[1, 5, 13, 17, 53, 65, 85, 169, 221, 265, 689, 845, 901, 1105, 2197, 2873, 3445, 4505, 8957, 10985, 11713, 14365, 37349, 44785, 58565, 116441, 152269, 186745, 582205, 761345, 1979497, 9897485]

約数ペア:

[(1, 9897485), (5, 1979497), (13, 761345), (17, 582205), (53, 186745), (65, 152269), (85, 116441), (169, 58565), (221, 44785), (265, 37349), (689, 14365), (845, 11713), (901, 10985), (1105, 8957), (2197, 4505), (2873, 3445)]