16428065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 22032000

約数和(自身を除く): 5603935

約数列:

[1, 5, 19, 29, 67, 89, 95, 145, 335, 445, 551, 1273, 1691, 1943, 2581, 2755, 5963, 6365, 8455, 9715, 12905, 29815, 36917, 49039, 113297, 172927, 184585, 245195, 566485, 864635, 3285613, 16428065]

約数ペア:

[(1, 16428065), (5, 3285613), (19, 864635), (29, 566485), (67, 245195), (89, 184585), (95, 172927), (145, 113297), (335, 49039), (445, 36917), (551, 29815), (1273, 12905), (1691, 9715), (1943, 8455), (2581, 6365), (2755, 5963)]