219193919

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{25111}}^1$

素因数の和:25190

約数の個数: 16

約数和(自身を含む): 265182720

約数和(自身を除く): 45988801

約数列:

[1, 7, 29, 43, 203, 301, 1247, 8729, 25111, 175777, 728219, 1079773, 5097533, 7558411, 31313417, 219193919]

約数ペア:

[(1, 219193919), (7, 31313417), (29, 7558411), (43, 5097533), (203, 1079773), (301, 728219), (1247, 175777), (8729, 25111)]