199800029

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 249231360

約数和(自身を除く): 49431331

約数列:

[1, 11, 13, 19, 143, 151, 209, 247, 487, 1661, 1963, 2717, 2869, 5357, 6331, 9253, 21593, 31559, 37297, 69641, 73537, 101783, 120289, 410267, 808907, 955981, 1323179, 1397203, 10515791, 15369233, 18163639, 199800029]

約数ペア:

[(1, 199800029), (11, 18163639), (13, 15369233), (19, 10515791), (143, 1397203), (151, 1323179), (209, 955981), (247, 808907), (487, 410267), (1661, 120289), (1963, 101783), (2717, 73537), (2869, 69641), (5357, 37297), (6331, 31559), (9253, 21593)]