28715365

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 42912000

約数和(自身を除く): 14196635

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1489, 2755, 3857, 7445, 10423, 19285, 28291, 43181, 52115, 141455, 198037, 215905, 302267, 820439, 990185, 1511335, 4102195, 5743073, 28715365]

約数ペア:

[(1, 28715365), (5, 5743073), (7, 4102195), (19, 1511335), (29, 990185), (35, 820439), (95, 302267), (133, 215905), (145, 198037), (203, 141455), (551, 52115), (665, 43181), (1015, 28291), (1489, 19285), (2755, 10423), (3857, 7445)]