12720876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{761}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 34137600

約数和(自身を除く): 21416724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 761, 796, 1194, 1393, 1522, 2283, 2388, 2786, 3044, 4179, 4566, 5327, 5572, 8358, 9132, 10654, 15981, 16716, 21308, 31962, 63924, 151439, 302878, 454317, 605756, 908634, 1060073, 1817268, 2120146, 3180219, 4240292, 6360438, 12720876]

約数ペア:

[(1, 12720876), (2, 6360438), (3, 4240292), (4, 3180219), (6, 2120146), (7, 1817268), (12, 1060073), (14, 908634), (21, 605756), (28, 454317), (42, 302878), (84, 151439), (199, 63924), (398, 31962), (597, 21308), (761, 16716), (796, 15981), (1194, 10654), (1393, 9132), (1522, 8358), (2283, 5572), (2388, 5327), (2786, 4566), (3044, 4179)]