208580983

素因数分解:

${\mathrm{13}}^4\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 20

約数和(自身を含む): 231438680

約数和(自身を除く): 22857697

約数列:

[1, 13, 67, 109, 169, 871, 1417, 2197, 7303, 11323, 18421, 28561, 94939, 147199, 239473, 1234207, 1913587, 3113149, 16044691, 208580983]

約数ペア:

[(1, 208580983), (13, 16044691), (67, 3113149), (109, 1913587), (169, 1234207), (871, 239473), (1417, 147199), (2197, 94939), (7303, 28561), (11323, 18421)]