208712735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{542111}}^1$

素因数の和:542134

約数の個数: 16

約数和(自身を含む): 312256512

約数和(自身を除く): 103543777

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 542111, 2710555, 3794777, 5963221, 18973885, 29816105, 41742547, 208712735]

約数ペア:

[(1, 208712735), (5, 41742547), (7, 29816105), (11, 18973885), (35, 5963221), (55, 3794777), (77, 2710555), (385, 542111)]