12221514

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 27428544

約数和(自身を除く): 15207030

約数列:

[1, 2, 3, 6, 9, 18, 71, 73, 131, 142, 146, 213, 219, 262, 393, 426, 438, 639, 657, 786, 1179, 1278, 1314, 2358, 5183, 9301, 9563, 10366, 15549, 18602, 19126, 27903, 28689, 31098, 46647, 55806, 57378, 83709, 86067, 93294, 167418, 172134, 678973, 1357946, 2036919, 4073838, 6110757, 12221514]

約数ペア:

[(1, 12221514), (2, 6110757), (3, 4073838), (6, 2036919), (9, 1357946), (18, 678973), (71, 172134), (73, 167418), (131, 93294), (142, 86067), (146, 83709), (213, 57378), (219, 55806), (262, 46647), (393, 31098), (426, 28689), (438, 27903), (639, 19126), (657, 18602), (786, 15549), (1179, 10366), (1278, 9563), (1314, 9301), (2358, 5183)]