12254742

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 15420906

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 223, 258, 387, 426, 446, 639, 669, 774, 1278, 1338, 2007, 3053, 4014, 6106, 9159, 9589, 15833, 18318, 19178, 27477, 28767, 31666, 47499, 54954, 57534, 86301, 94998, 142497, 172602, 284994, 680819, 1361638, 2042457, 4084914, 6127371, 12254742]

約数ペア:

[(1, 12254742), (2, 6127371), (3, 4084914), (6, 2042457), (9, 1361638), (18, 680819), (43, 284994), (71, 172602), (86, 142497), (129, 94998), (142, 86301), (213, 57534), (223, 54954), (258, 47499), (387, 31666), (426, 28767), (446, 27477), (639, 19178), (669, 18318), (774, 15833), (1278, 9589), (1338, 9159), (2007, 6106), (3053, 4014)]