208840356

素因数分解:

$2^2\times 3^4\times {\mathrm{644569}}^1$

素因数の和:644585

約数の個数: 30

約数和(自身を含む): 545950790

約数和(自身を除く): 337110434

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 644569, 1289138, 1933707, 2578276, 3867414, 5801121, 7734828, 11602242, 17403363, 23204484, 34806726, 52210089, 69613452, 104420178, 208840356]

約数ペア:

[(1, 208840356), (2, 104420178), (3, 69613452), (4, 52210089), (6, 34806726), (9, 23204484), (12, 17403363), (18, 11602242), (27, 7734828), (36, 5801121), (54, 3867414), (81, 2578276), (108, 1933707), (162, 1289138), (324, 644569)]