28005505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1459}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 36792000

約数和(自身を除く): 8786495

約数列:

[1, 5, 11, 55, 349, 1459, 1745, 3839, 7295, 16049, 19195, 80245, 509191, 2545955, 5601101, 28005505]

約数ペア:

[(1, 28005505), (5, 5601101), (11, 2545955), (55, 509191), (349, 80245), (1459, 19195), (1745, 16049), (3839, 7295)]