12927740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 31352832

約数和(自身を除く): 18425092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 863, 1070, 1498, 1726, 2140, 2996, 3452, 3745, 4315, 6041, 7490, 8630, 12082, 14980, 17260, 24164, 30205, 60410, 92341, 120820, 184682, 369364, 461705, 646387, 923410, 1292774, 1846820, 2585548, 3231935, 6463870, 12927740]

約数ペア:

[(1, 12927740), (2, 6463870), (4, 3231935), (5, 2585548), (7, 1846820), (10, 1292774), (14, 923410), (20, 646387), (28, 461705), (35, 369364), (70, 184682), (107, 120820), (140, 92341), (214, 60410), (428, 30205), (535, 24164), (749, 17260), (863, 14980), (1070, 12082), (1498, 8630), (1726, 7490), (2140, 6041), (2996, 4315), (3452, 3745)]