12739430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 25194240

約数和(自身を除く): 12454810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 647, 895, 1294, 1790, 1969, 3235, 3938, 6470, 7117, 9845, 14234, 19690, 35585, 71170, 115813, 231626, 579065, 1158130, 1273943, 2547886, 6369715, 12739430]

約数ペア:

[(1, 12739430), (2, 6369715), (5, 2547886), (10, 1273943), (11, 1158130), (22, 579065), (55, 231626), (110, 115813), (179, 71170), (358, 35585), (647, 19690), (895, 14234), (1294, 9845), (1790, 7117), (1969, 6470), (3235, 3938)]