131722768

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{43103}}^1$

素因数の和:43302

約数の個数: 20

約数和(自身を含む): 256555008

約数和(自身を除く): 124832240

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 43103, 86206, 172412, 344824, 689648, 8232673, 16465346, 32930692, 65861384, 131722768]

約数ペア:

[(1, 131722768), (2, 65861384), (4, 32930692), (8, 16465346), (16, 8232673), (191, 689648), (382, 344824), (764, 172412), (1528, 86206), (3056, 43103)]