489209738

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{25147}}^1$

素因数の和:25357

約数の個数: 16

約数和(自身を含む): 749611584

約数和(自身を除く): 260401846

約数列:

[1, 2, 71, 137, 142, 274, 9727, 19454, 25147, 50294, 1785437, 3445139, 3570874, 6890278, 244604869, 489209738]

約数ペア:

[(1, 489209738), (2, 244604869), (71, 6890278), (137, 3570874), (142, 3445139), (274, 1785437), (9727, 50294), (19454, 25147)]