128372286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71081}}^1$

素因数の和:71136

約数の個数: 32

約数和(自身を含む): 300250368

約数和(自身を除く): 171878082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 71081, 142162, 213243, 426486, 497567, 995134, 1492701, 2985402, 3056483, 6112966, 9169449, 18338898, 21395381, 42790762, 64186143, 128372286]

約数ペア:

[(1, 128372286), (2, 64186143), (3, 42790762), (6, 21395381), (7, 18338898), (14, 9169449), (21, 6112966), (42, 3056483), (43, 2985402), (86, 1492701), (129, 995134), (258, 497567), (301, 426486), (602, 213243), (903, 142162), (1806, 71081)]