12426988

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 27578880

約数和(自身を除く): 15151892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 71, 76, 94, 98, 133, 142, 188, 196, 266, 284, 329, 497, 532, 658, 893, 931, 994, 1316, 1349, 1786, 1862, 1988, 2303, 2698, 3337, 3479, 3572, 3724, 4606, 5396, 6251, 6674, 6958, 9212, 9443, 12502, 13348, 13916, 18886, 23359, 25004, 37772, 43757, 46718, 63403, 66101, 87514, 93436, 126806, 132202, 163513, 175028, 253612, 264404, 327026, 443821, 654052, 887642, 1775284, 3106747, 6213494, 12426988]

約数ペア:

[(1, 12426988), (2, 6213494), (4, 3106747), (7, 1775284), (14, 887642), (19, 654052), (28, 443821), (38, 327026), (47, 264404), (49, 253612), (71, 175028), (76, 163513), (94, 132202), (98, 126806), (133, 93436), (142, 87514), (188, 66101), (196, 63403), (266, 46718), (284, 43757), (329, 37772), (497, 25004), (532, 23359), (658, 18886), (893, 13916), (931, 13348), (994, 12502), (1316, 9443), (1349, 9212), (1786, 6958), (1862, 6674), (1988, 6251), (2303, 5396), (2698, 4606), (3337, 3724), (3479, 3572)]