12400254

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 28300272

約数和(自身を除く): 15900018

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 433, 666, 774, 866, 1299, 1591, 2598, 3182, 3897, 4773, 7794, 9546, 14319, 16021, 18619, 28638, 32042, 37238, 48063, 55857, 96126, 111714, 144189, 167571, 288378, 335142, 688903, 1377806, 2066709, 4133418, 6200127, 12400254]

約数ペア:

[(1, 12400254), (2, 6200127), (3, 4133418), (6, 2066709), (9, 1377806), (18, 688903), (37, 335142), (43, 288378), (74, 167571), (86, 144189), (111, 111714), (129, 96126), (222, 55857), (258, 48063), (333, 37238), (387, 32042), (433, 28638), (666, 18619), (774, 16021), (866, 14319), (1299, 9546), (1591, 7794), (2598, 4773), (3182, 3897)]