219084719

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{21481}}^1$

素因数の和:21566

約数の個数: 16

約数和(自身を含む): 263970816

約数和(自身を除く): 44886097

約数列:

[1, 7, 31, 47, 217, 329, 1457, 10199, 21481, 150367, 665911, 1009607, 4661377, 7067249, 31297817, 219084719]

約数ペア:

[(1, 219084719), (7, 31297817), (31, 7067249), (47, 4661377), (217, 1009607), (329, 665911), (1457, 150367), (10199, 21481)]