287339728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1381441}}^1$

素因数の和:1381462

約数の個数: 20

約数和(自身を含む): 599545828

約数和(自身を除く): 312206100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1381441, 2762882, 5525764, 11051528, 17958733, 22103056, 35917466, 71834932, 143669864, 287339728]

約数ペア:

[(1, 287339728), (2, 143669864), (4, 71834932), (8, 35917466), (13, 22103056), (16, 17958733), (26, 11051528), (52, 5525764), (104, 2762882), (208, 1381441)]