16665428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 32050620

約数和(自身を除く): 15385192

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 277, 338, 356, 554, 676, 1108, 1157, 2314, 3601, 4628, 7202, 14404, 15041, 24653, 30082, 46813, 49306, 60164, 93626, 98612, 187252, 320489, 640978, 1281956, 4166357, 8332714, 16665428]

約数ペア:

[(1, 16665428), (2, 8332714), (4, 4166357), (13, 1281956), (26, 640978), (52, 320489), (89, 187252), (169, 98612), (178, 93626), (277, 60164), (338, 49306), (356, 46813), (554, 30082), (676, 24653), (1108, 15041), (1157, 14404), (2314, 7202), (3601, 4628)]