68171418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{563}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 174736224

約数和(自身を除く): 106564806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 563, 651, 961, 1126, 1302, 1689, 1922, 1953, 2883, 3378, 3906, 3941, 5067, 5766, 6727, 7882, 8649, 10134, 11823, 13454, 17298, 17453, 20181, 23646, 34906, 35469, 40362, 52359, 60543, 70938, 104718, 121086, 122171, 157077, 244342, 314154, 366513, 541043, 733026, 1082086, 1099539, 1623129, 2199078, 3246258, 3787301, 4869387, 7574602, 9738774, 11361903, 22723806, 34085709, 68171418]

約数ペア:

[(1, 68171418), (2, 34085709), (3, 22723806), (6, 11361903), (7, 9738774), (9, 7574602), (14, 4869387), (18, 3787301), (21, 3246258), (31, 2199078), (42, 1623129), (62, 1099539), (63, 1082086), (93, 733026), (126, 541043), (186, 366513), (217, 314154), (279, 244342), (434, 157077), (558, 122171), (563, 121086), (651, 104718), (961, 70938), (1126, 60543), (1302, 52359), (1689, 40362), (1922, 35469), (1953, 34906), (2883, 23646), (3378, 20181), (3906, 17453), (3941, 17298), (5067, 13454), (5766, 11823), (6727, 10134), (7882, 8649)]