28726190

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{8231}}^1$

素因数の和:8587

約数の個数: 16

約数和(自身を含む): 51861600

約数和(自身を除く): 23135410

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 8231, 16462, 41155, 82310, 2872619, 5745238, 14363095, 28726190]

約数ペア:

[(1, 28726190), (2, 14363095), (5, 5745238), (10, 2872619), (349, 82310), (698, 41155), (1745, 16462), (3490, 8231)]