28890704

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{4289}}^1$

素因数の和:4718

約数の個数: 20

約数和(自身を含む): 56121780

約数和(自身を除く): 27231076

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 4289, 6736, 8578, 17156, 34312, 68624, 1805669, 3611338, 7222676, 14445352, 28890704]

約数ペア:

[(1, 28890704), (2, 14445352), (4, 7222676), (8, 3611338), (16, 1805669), (421, 68624), (842, 34312), (1684, 17156), (3368, 8578), (4289, 6736)]