299968361

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 386688000

約数和(自身を除く): 86719639

約数列:

[1, 7, 11, 37, 77, 211, 259, 407, 499, 1477, 2321, 2849, 3493, 5489, 7807, 16247, 18463, 38423, 54649, 85877, 105289, 129241, 203093, 601139, 737023, 1158179, 1421651, 3895693, 8107253, 27269851, 42852623, 299968361]

約数ペア:

[(1, 299968361), (7, 42852623), (11, 27269851), (37, 8107253), (77, 3895693), (211, 1421651), (259, 1158179), (407, 737023), (499, 601139), (1477, 203093), (2321, 129241), (2849, 105289), (3493, 85877), (5489, 54649), (7807, 38423), (16247, 18463)]