81793256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4591}}^1$

素因数の和:4745

約数の個数: 32

約数和(自身を含む): 163658880

約数和(自身を除く): 81865624

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 2227, 4454, 4591, 8908, 9182, 17816, 18364, 36728, 78047, 156094, 312188, 601421, 624376, 1202842, 2405684, 4811368, 10224157, 20448314, 40896628, 81793256]

約数ペア:

[(1, 81793256), (2, 40896628), (4, 20448314), (8, 10224157), (17, 4811368), (34, 2405684), (68, 1202842), (131, 624376), (136, 601421), (262, 312188), (524, 156094), (1048, 78047), (2227, 36728), (4454, 18364), (4591, 17816), (8908, 9182)]