218939995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{2791}}^1$

素因数の和:3366

約数の個数: 16

約数和(自身を含む): 272387520

約数和(自身を除く): 53447525

約数列:

[1, 5, 29, 145, 541, 2705, 2791, 13955, 15689, 78445, 80939, 404695, 1509931, 7549655, 43787999, 218939995]

約数ペア:

[(1, 218939995), (5, 43787999), (29, 7549655), (145, 1509931), (541, 404695), (2705, 80939), (2791, 78445), (13955, 15689)]