2181718

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 4220928

約数和(自身を除く): 2039210

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 457, 682, 914, 2387, 3199, 4774, 5027, 6398, 10054, 14167, 28334, 35189, 70378, 99169, 155837, 198338, 311674, 1090859, 2181718]

約数ペア:

[(1, 2181718), (2, 1090859), (7, 311674), (11, 198338), (14, 155837), (22, 99169), (31, 70378), (62, 35189), (77, 28334), (154, 14167), (217, 10054), (341, 6398), (434, 5027), (457, 4774), (682, 3199), (914, 2387)]