16990666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3559}}^1$

素因数の和:3610

約数の個数: 32

約数和(自身を含む): 32808960

約数和(自身を除く): 15818294

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 3559, 4774, 7118, 24913, 39149, 49826, 78298, 110329, 220658, 274043, 548086, 772303, 1213619, 1544606, 2427238, 8495333, 16990666]

約数ペア:

[(1, 16990666), (2, 8495333), (7, 2427238), (11, 1544606), (14, 1213619), (22, 772303), (31, 548086), (62, 274043), (77, 220658), (154, 110329), (217, 78298), (341, 49826), (434, 39149), (682, 24913), (2387, 7118), (3559, 4774)]