223408638

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{21001}}^1$

素因数の和:21209

約数の個数: 32

約数和(自身を含む): 499007520

約数和(自身を除く): 275598882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 3546, 5319, 10638, 21001, 42002, 63003, 126006, 189009, 378018, 567027, 1134054, 4137197, 8274394, 12411591, 24823182, 37234773, 74469546, 111704319, 223408638]

約数ペア:

[(1, 223408638), (2, 111704319), (3, 74469546), (6, 37234773), (9, 24823182), (18, 12411591), (27, 8274394), (54, 4137197), (197, 1134054), (394, 567027), (591, 378018), (1182, 189009), (1773, 126006), (3546, 63003), (5319, 42002), (10638, 21001)]