389645426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 624011520

約数和(自身を除く): 234366094

約数列:

[1, 2, 19, 38, 157, 241, 271, 314, 482, 542, 2983, 4579, 5149, 5966, 9158, 10298, 37837, 42547, 65311, 75674, 85094, 130622, 718903, 808393, 1240909, 1437806, 1616786, 2481818, 10253827, 20507654, 194822713, 389645426]

約数ペア:

[(1, 389645426), (2, 194822713), (19, 20507654), (38, 10253827), (157, 2481818), (241, 1616786), (271, 1437806), (314, 1240909), (482, 808393), (542, 718903), (2983, 130622), (4579, 85094), (5149, 75674), (5966, 65311), (9158, 42547), (10298, 37837)]