1285291270

素因数分解:

$2^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{189851}}^1$

素因数の和:190535

約数の個数: 16

約数和(自身を含む): 2316953808

約数和(自身を除く): 1031662538

約数列:

[1, 2, 5, 10, 677, 1354, 3385, 6770, 189851, 379702, 949255, 1898510, 128529127, 257058254, 642645635, 1285291270]

約数ペア:

[(1, 1285291270), (2, 642645635), (5, 257058254), (10, 128529127), (677, 1898510), (1354, 949255), (3385, 379702), (6770, 189851)]