209225242

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{6673}}^1$

素因数の和:6993

約数の個数: 16

約数和(自身を含む): 320271912

約数和(自身を除く): 111046670

約数列:

[1, 2, 61, 122, 257, 514, 6673, 13346, 15677, 31354, 407053, 814106, 1714961, 3429922, 104612621, 209225242]

約数ペア:

[(1, 209225242), (2, 104612621), (61, 3429922), (122, 1714961), (257, 814106), (514, 407053), (6673, 31354), (13346, 15677)]