12660784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 26315280

約数和(自身を除く): 13654496

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 272, 356, 523, 712, 1046, 1424, 1513, 2092, 3026, 4184, 6052, 8368, 8891, 12104, 17782, 24208, 35564, 46547, 71128, 93094, 142256, 186188, 372376, 744752, 791299, 1582598, 3165196, 6330392, 12660784]

約数ペア:

[(1, 12660784), (2, 6330392), (4, 3165196), (8, 1582598), (16, 791299), (17, 744752), (34, 372376), (68, 186188), (89, 142256), (136, 93094), (178, 71128), (272, 46547), (356, 35564), (523, 24208), (712, 17782), (1046, 12104), (1424, 8891), (1513, 8368), (2092, 6052), (3026, 4184)]