1277771898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16381691}}^1$

素因数の和:16381709

約数の個数: 16

約数和(自身を含む): 2752124256

約数和(自身を除く): 1474352358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 16381691, 32763382, 49145073, 98290146, 212961983, 425923966, 638885949, 1277771898]

約数ペア:

[(1, 1277771898), (2, 638885949), (3, 425923966), (6, 212961983), (13, 98290146), (26, 49145073), (39, 32763382), (78, 16381691)]