172920412

素因数分解:

$2^2\times 7^2\times {\mathrm{882247}}^1$

素因数の和:882265

約数の個数: 18

約数和(自身を含む): 352016952

約数和(自身を除く): 179096540

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 882247, 1764494, 3528988, 6175729, 12351458, 24702916, 43230103, 86460206, 172920412]

約数ペア:

[(1, 172920412), (2, 86460206), (4, 43230103), (7, 24702916), (14, 12351458), (28, 6175729), (49, 3528988), (98, 1764494), (196, 882247)]