9990786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5569}}^1$

素因数の和:5610

約数の個数: 32

約数和(自身を含む): 22458240

約数和(自身を除く): 12467454

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 5569, 11138, 16707, 33414, 72397, 128087, 144794, 217191, 256174, 384261, 434382, 768522, 1665131, 3330262, 4995393, 9990786]

約数ペア:

[(1, 9990786), (2, 4995393), (3, 3330262), (6, 1665131), (13, 768522), (23, 434382), (26, 384261), (39, 256174), (46, 217191), (69, 144794), (78, 128087), (138, 72397), (299, 33414), (598, 16707), (897, 11138), (1794, 5569)]