13780265

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 17010000

約数和(自身を除く): 3229735

約数列:

[1, 5, 53, 149, 265, 349, 745, 1745, 7897, 18497, 39485, 52001, 92485, 260005, 2756053, 13780265]

約数ペア:

[(1, 13780265), (5, 2756053), (53, 260005), (149, 92485), (265, 52001), (349, 39485), (745, 18497), (1745, 7897)]