690352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3340

約数の個数: 20

約数和(自身を含む): 1440880

約数和(自身を除く): 750528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3319, 6638, 13276, 26552, 43147, 53104, 86294, 172588, 345176, 690352]

約数ペア:

[(1, 690352), (2, 345176), (4, 172588), (8, 86294), (13, 53104), (16, 43147), (26, 26552), (52, 13276), (104, 6638), (208, 3319)]