215721858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{172027}}^1$

素因数の和:172062

約数の個数: 32

約数和(自身を含む): 495440640

約数和(自身を除く): 279718782

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 172027, 344054, 516081, 1032162, 1892297, 3268513, 3784594, 5676891, 6537026, 9805539, 11353782, 19611078, 35953643, 71907286, 107860929, 215721858]

約数ペア:

[(1, 215721858), (2, 107860929), (3, 71907286), (6, 35953643), (11, 19611078), (19, 11353782), (22, 9805539), (33, 6537026), (38, 5676891), (57, 3784594), (66, 3268513), (114, 1892297), (209, 1032162), (418, 516081), (627, 344054), (1254, 172027)]