219360784

素因数分解:

$2^4\times {\mathrm{2777}}^1\times {\mathrm{4937}}^1$

素因数の和:7722

約数の個数: 20

約数和(自身を含む): 425250684

約数和(自身を除く): 205889900

約数列:

[1, 2, 4, 8, 16, 2777, 4937, 5554, 9874, 11108, 19748, 22216, 39496, 44432, 78992, 13710049, 27420098, 54840196, 109680392, 219360784]

約数ペア:

[(1, 219360784), (2, 109680392), (4, 54840196), (8, 27420098), (16, 13710049), (2777, 78992), (4937, 44432), (5554, 39496), (9874, 22216), (11108, 19748)]