16390904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 32292000

約数和(自身を除く): 15901096

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 229, 389, 458, 778, 916, 1556, 1832, 3112, 5267, 8947, 10534, 17894, 21068, 35788, 42136, 71576, 89081, 178162, 356324, 712648, 2048863, 4097726, 8195452, 16390904]

約数ペア:

[(1, 16390904), (2, 8195452), (4, 4097726), (8, 2048863), (23, 712648), (46, 356324), (92, 178162), (184, 89081), (229, 71576), (389, 42136), (458, 35788), (778, 21068), (916, 17894), (1556, 10534), (1832, 8947), (3112, 5267)]