64191638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 114186240

約数和(自身を除く): 49994602

約数列:

[1, 2, 7, 14, 31, 62, 217, 353, 419, 434, 706, 838, 2471, 2933, 4942, 5866, 10943, 12989, 21886, 25978, 76601, 90923, 147907, 153202, 181846, 295814, 1035349, 2070698, 4585117, 9170234, 32095819, 64191638]

約数ペア:

[(1, 64191638), (2, 32095819), (7, 9170234), (14, 4585117), (31, 2070698), (62, 1035349), (217, 295814), (353, 181846), (419, 153202), (434, 147907), (706, 90923), (838, 76601), (2471, 25978), (2933, 21886), (4942, 12989), (5866, 10943)]