821249390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{11549}}^1$

素因数の和:12116

約数の個数: 32

約数和(自身を含む): 1595008800

約数和(自身を除く): 773759410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 547, 1094, 2735, 5470, 7111, 11549, 14222, 23098, 35555, 57745, 71110, 115490, 150137, 300274, 750685, 1501370, 6317303, 12634606, 31586515, 63173030, 82124939, 164249878, 410624695, 821249390]

約数ペア:

[(1, 821249390), (2, 410624695), (5, 164249878), (10, 82124939), (13, 63173030), (26, 31586515), (65, 12634606), (130, 6317303), (547, 1501370), (1094, 750685), (2735, 300274), (5470, 150137), (7111, 115490), (11549, 71110), (14222, 57745), (23098, 35555)]