81122330

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{569}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 149590800

約数和(自身を除く): 68468470

約数列:

[1, 2, 5, 10, 53, 106, 265, 269, 530, 538, 569, 1138, 1345, 2690, 2845, 5690, 14257, 28514, 30157, 60314, 71285, 142570, 150785, 153061, 301570, 306122, 765305, 1530610, 8112233, 16224466, 40561165, 81122330]

約数ペア:

[(1, 81122330), (2, 40561165), (5, 16224466), (10, 8112233), (53, 1530610), (106, 765305), (265, 306122), (269, 301570), (530, 153061), (538, 150785), (569, 142570), (1138, 71285), (1345, 60314), (2690, 30157), (2845, 28514), (5690, 14257)]