208025311

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 242622864

約数和(自身を除く): 34597553

約数列:

[1, 13, 17, 61, 169, 221, 793, 1037, 1187, 2873, 10309, 13481, 15431, 20179, 72407, 175253, 200603, 262327, 941291, 1230919, 3410251, 12236783, 16001947, 208025311]

約数ペア:

[(1, 208025311), (13, 16001947), (17, 12236783), (61, 3410251), (169, 1230919), (221, 941291), (793, 262327), (1037, 200603), (1187, 175253), (2873, 72407), (10309, 20179), (13481, 15431)]