155328668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{320927}}^1$

素因数の和:320953

約数の個数: 18

約数和(自身を含む): 298783968

約数和(自身を除く): 143455300

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 320927, 641854, 1283708, 3530197, 7060394, 14120788, 38832167, 77664334, 155328668]

約数ペア:

[(1, 155328668), (2, 77664334), (4, 38832167), (11, 14120788), (22, 7060394), (44, 3530197), (121, 1283708), (242, 641854), (484, 320927)]