12681788

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 26142480

約数和(自身を除く): 13460692

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 727, 1246, 1454, 2492, 2908, 4361, 5089, 8722, 10178, 17444, 20356, 35623, 64703, 71246, 129406, 142492, 258812, 452921, 905842, 1811684, 3170447, 6340894, 12681788]

約数ペア:

[(1, 12681788), (2, 6340894), (4, 3170447), (7, 1811684), (14, 905842), (28, 452921), (49, 258812), (89, 142492), (98, 129406), (178, 71246), (196, 64703), (356, 35623), (623, 20356), (727, 17444), (1246, 10178), (1454, 8722), (2492, 5089), (2908, 4361)]