397157068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1993}}^1$

素因数の和:2662

約数の個数: 48

約数和(自身を含む): 868299264

約数和(自身を除く): 471142196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 647, 1294, 1993, 2588, 3986, 4529, 7117, 7972, 9058, 13951, 14234, 18116, 21923, 27902, 28468, 43846, 49819, 55804, 87692, 99638, 153461, 199276, 306922, 613844, 1289471, 2578942, 5157884, 9026297, 14184181, 18052594, 28368362, 36105188, 56736724, 99289267, 198578534, 397157068]

約数ペア:

[(1, 397157068), (2, 198578534), (4, 99289267), (7, 56736724), (11, 36105188), (14, 28368362), (22, 18052594), (28, 14184181), (44, 9026297), (77, 5157884), (154, 2578942), (308, 1289471), (647, 613844), (1294, 306922), (1993, 199276), (2588, 153461), (3986, 99638), (4529, 87692), (7117, 55804), (7972, 49819), (9058, 43846), (13951, 28468), (14234, 27902), (18116, 21923)]