689025.00000000

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 99277920

約数和(自身を除く): 44854694

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 139, 143, 278, 286, 407, 481, 814, 962, 1369, 1529, 1807, 2738, 3058, 3614, 5143, 5291, 10286, 10582, 15059, 17797, 19877, 30118, 35594, 39754, 56573, 66859, 113146, 133718, 190291, 195767, 380582, 391534, 735449, 1470898, 2093201, 2473783, 4186402, 4947566, 27211613, 54423226]

約数ペア:

[(1, 54423226), (2, 27211613), (11, 4947566), (13, 4186402), (22, 2473783), (26, 2093201), (37, 1470898), (74, 735449), (139, 391534), (143, 380582), (278, 195767), (286, 190291), (407, 133718), (481, 113146), (814, 66859), (962, 56573), (1369, 39754), (1529, 35594), (1807, 30118), (2738, 19877), (3058, 17797), (3614, 15059), (5143, 10582), (5291, 10286)]