28990865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 11185135

約数列:

[1, 5, 17, 19, 29, 85, 95, 145, 323, 493, 551, 619, 1615, 2465, 2755, 3095, 9367, 10523, 11761, 17951, 46835, 52615, 58805, 89755, 199937, 305167, 341069, 999685, 1525835, 1705345, 5798173, 28990865]

約数ペア:

[(1, 28990865), (5, 5798173), (17, 1705345), (19, 1525835), (29, 999685), (85, 341069), (95, 305167), (145, 199937), (323, 89755), (493, 58805), (551, 52615), (619, 46835), (1615, 17951), (2465, 11761), (2755, 10523), (3095, 9367)]