211502590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1626943}}^1$

素因数の和:1626963

約数の個数: 16

約数和(自身を含む): 409989888

約数和(自身を除く): 198487298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1626943, 3253886, 8134715, 16269430, 21150259, 42300518, 105751295, 211502590]

約数ペア:

[(1, 211502590), (2, 105751295), (5, 42300518), (10, 21150259), (13, 16269430), (26, 8134715), (65, 3253886), (130, 1626943)]