209901070

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{21617}}^1$

素因数の和:22595

約数の個数: 16

約数和(自身を含む): 378228528

約数和(自身を除く): 168327458

約数列:

[1, 2, 5, 10, 971, 1942, 4855, 9710, 21617, 43234, 108085, 216170, 20990107, 41980214, 104950535, 209901070]

約数ペア:

[(1, 209901070), (2, 104950535), (5, 41980214), (10, 20990107), (971, 216170), (1942, 108085), (4855, 43234), (9710, 21617)]