12142788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 33439392

約数和(自身を除く): 21296604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 193, 196, 214, 294, 321, 386, 428, 579, 588, 642, 749, 772, 1158, 1284, 1351, 1498, 2247, 2316, 2702, 2996, 4053, 4494, 5243, 5404, 8106, 8988, 9457, 10486, 15729, 16212, 18914, 20651, 20972, 28371, 31458, 37828, 41302, 56742, 61953, 62916, 82604, 113484, 123906, 144557, 247812, 289114, 433671, 578228, 867342, 1011899, 1734684, 2023798, 3035697, 4047596, 6071394, 12142788]

約数ペア:

[(1, 12142788), (2, 6071394), (3, 4047596), (4, 3035697), (6, 2023798), (7, 1734684), (12, 1011899), (14, 867342), (21, 578228), (28, 433671), (42, 289114), (49, 247812), (84, 144557), (98, 123906), (107, 113484), (147, 82604), (193, 62916), (196, 61953), (214, 56742), (294, 41302), (321, 37828), (386, 31458), (428, 28371), (579, 20972), (588, 20651), (642, 18914), (749, 16212), (772, 15729), (1158, 10486), (1284, 9457), (1351, 8988), (1498, 8106), (2247, 5404), (2316, 5243), (2702, 4494), (2996, 4053)]