668601934

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 1351913472

約数和(自身を除く): 683311538

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 337, 674, 991, 1001, 1982, 2002, 2359, 3707, 4381, 4718, 6937, 7414, 8762, 10901, 12883, 13874, 21802, 25766, 25949, 30667, 48191, 51898, 61334, 76307, 90181, 96382, 141713, 152614, 180362, 283426, 333967, 337337, 667934, 674674, 991991, 1983982, 2337769, 3673637, 4341571, 4675538, 7347274, 8683142, 25715459, 30390997, 47757281, 51430918, 60781994, 95514562, 334300967, 668601934]

約数ペア:

[(1, 668601934), (2, 334300967), (7, 95514562), (11, 60781994), (13, 51430918), (14, 47757281), (22, 30390997), (26, 25715459), (77, 8683142), (91, 7347274), (143, 4675538), (154, 4341571), (182, 3673637), (286, 2337769), (337, 1983982), (674, 991991), (991, 674674), (1001, 667934), (1982, 337337), (2002, 333967), (2359, 283426), (3707, 180362), (4381, 152614), (4718, 141713), (6937, 96382), (7414, 90181), (8762, 76307), (10901, 61334), (12883, 51898), (13874, 48191), (21802, 30667), (25766, 25949)]