289648528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1392541}}^1$

素因数の和:1392562

約数の個数: 20

約数和(自身を含む): 604363228

約数和(自身を除く): 314714700

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1392541, 2785082, 5570164, 11140328, 18103033, 22280656, 36206066, 72412132, 144824264, 289648528]

約数ペア:

[(1, 289648528), (2, 144824264), (4, 72412132), (8, 36206066), (13, 22280656), (16, 18103033), (26, 11140328), (52, 5570164), (104, 2785082), (208, 1392541)]