493149215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{21739}}^1$

素因数の和:22106

約数の個数: 16

約数和(自身を含む): 639156000

約数和(自身を除く): 146006785

約数列:

[1, 5, 13, 65, 349, 1745, 4537, 21739, 22685, 108695, 282607, 1413035, 7586911, 37934555, 98629843, 493149215]

約数ペア:

[(1, 493149215), (5, 98629843), (13, 37934555), (65, 7586911), (349, 1413035), (1745, 282607), (4537, 108695), (21739, 22685)]