207905405

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1\times {\mathrm{1721}}^1$

素因数の和:2416

約数の個数: 16

約数和(自身を含む): 256770864

約数和(自身を除く): 48865459

約数列:

[1, 5, 37, 185, 653, 1721, 3265, 8605, 24161, 63677, 120805, 318385, 1123813, 5619065, 41581081, 207905405]

約数ペア:

[(1, 207905405), (5, 41581081), (37, 5619065), (185, 1123813), (653, 318385), (1721, 120805), (3265, 63677), (8605, 24161)]