321419660

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{24611}}^1$

素因数の和:25273

約数の個数: 24

約数和(自身を含む): 676042416

約数和(自身を除く): 354622756

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 24611, 49222, 98444, 123055, 246110, 492220, 16070983, 32141966, 64283932, 80354915, 160709830, 321419660]

約数ペア:

[(1, 321419660), (2, 160709830), (4, 80354915), (5, 64283932), (10, 32141966), (20, 16070983), (653, 492220), (1306, 246110), (2612, 123055), (3265, 98444), (6530, 49222), (13060, 24611)]