12721115974

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{919}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 22616985600

約数和(自身を除く): 9895869626

約数列:

[1, 2, 7, 14, 47, 94, 109, 193, 218, 329, 386, 658, 763, 919, 1351, 1526, 1838, 2702, 5123, 6433, 9071, 10246, 12866, 18142, 21037, 35861, 42074, 43193, 63497, 71722, 86386, 100171, 126994, 147259, 177367, 200342, 294518, 302351, 354734, 604702, 701197, 988739, 1241569, 1402394, 1977478, 2483138, 4708037, 6921173, 8336249, 9416074, 13842346, 16672498, 19333003, 32956259, 38666006, 58353743, 65912518, 116707486, 135331021, 270662042, 908651141, 1817302282, 6360557987, 12721115974]

約数ペア:

[(1, 12721115974), (2, 6360557987), (7, 1817302282), (14, 908651141), (47, 270662042), (94, 135331021), (109, 116707486), (193, 65912518), (218, 58353743), (329, 38666006), (386, 32956259), (658, 19333003), (763, 16672498), (919, 13842346), (1351, 9416074), (1526, 8336249), (1838, 6921173), (2702, 4708037), (5123, 2483138), (6433, 1977478), (9071, 1402394), (10246, 1241569), (12866, 988739), (18142, 701197), (21037, 604702), (35861, 354734), (42074, 302351), (43193, 294518), (63497, 200342), (71722, 177367), (86386, 147259), (100171, 126994)]