889334815

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 1114090560

約数和(自身を除く): 224755745

約数列:

[1, 5, 43, 109, 137, 215, 277, 545, 685, 1385, 4687, 5891, 11911, 14933, 23435, 29455, 30193, 37949, 59555, 74665, 150965, 189745, 642119, 1298299, 1631807, 3210595, 4136441, 6491495, 8159035, 20682205, 177866963, 889334815]

約数ペア:

[(1, 889334815), (5, 177866963), (43, 20682205), (109, 8159035), (137, 6491495), (215, 4136441), (277, 3210595), (545, 1631807), (685, 1298299), (1385, 642119), (4687, 189745), (5891, 150965), (11911, 74665), (14933, 59555), (23435, 37949), (29455, 30193)]