728435521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{1993}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 803980800

約数和(自身を除く): 75545279

約数列:

[1, 11, 149, 223, 1639, 1993, 2453, 21923, 33227, 296957, 365497, 444439, 3266527, 4888829, 66221411, 728435521]

約数ペア:

[(1, 728435521), (11, 66221411), (149, 4888829), (223, 3266527), (1639, 444439), (1993, 365497), (2453, 296957), (21923, 33227)]