81666424

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{35569}}^1$

素因数の和:35623

約数の個数: 32

約数和(自身を含む): 179272800

約数和(自身を除く): 97606376

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 35569, 71138, 142276, 248983, 284552, 497966, 995932, 1458329, 1991864, 2916658, 5833316, 10208303, 11666632, 20416606, 40833212, 81666424]

約数ペア:

[(1, 81666424), (2, 40833212), (4, 20416606), (7, 11666632), (8, 10208303), (14, 5833316), (28, 2916658), (41, 1991864), (56, 1458329), (82, 995932), (164, 497966), (287, 284552), (328, 248983), (574, 142276), (1148, 71138), (2296, 35569)]