679654316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{217559}}^1$

素因数の和:217645

約数の個数: 24

約数和(自身を含む): 1315802880

約数和(自身を除く): 636148564

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 217559, 435118, 870236, 2393149, 4786298, 9572596, 15446689, 30893378, 61786756, 169913579, 339827158, 679654316]

約数ペア:

[(1, 679654316), (2, 339827158), (4, 169913579), (11, 61786756), (22, 30893378), (44, 15446689), (71, 9572596), (142, 4786298), (284, 2393149), (781, 870236), (1562, 435118), (3124, 217559)]