12979876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 28255360

約数和(自身を除く): 15275484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 211, 338, 364, 422, 676, 844, 1183, 1477, 2197, 2366, 2743, 2954, 4394, 4732, 5486, 5908, 8788, 10972, 15379, 19201, 30758, 35659, 38402, 61516, 71318, 76804, 142636, 249613, 463567, 499226, 927134, 998452, 1854268, 3244969, 6489938, 12979876]

約数ペア:

[(1, 12979876), (2, 6489938), (4, 3244969), (7, 1854268), (13, 998452), (14, 927134), (26, 499226), (28, 463567), (52, 249613), (91, 142636), (169, 76804), (182, 71318), (211, 61516), (338, 38402), (364, 35659), (422, 30758), (676, 19201), (844, 15379), (1183, 10972), (1477, 8788), (2197, 5908), (2366, 5486), (2743, 4732), (2954, 4394)]