211301519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 256435200

約数和(自身を除く): 45133681

約数列:

[1, 11, 13, 47, 143, 149, 211, 517, 611, 1639, 1937, 2321, 2743, 6721, 7003, 9917, 21307, 30173, 31439, 77033, 91039, 109087, 128921, 345829, 408707, 1001429, 1418131, 1477633, 4495777, 16253963, 19209229, 211301519]

約数ペア:

[(1, 211301519), (11, 19209229), (13, 16253963), (47, 4495777), (143, 1477633), (149, 1418131), (211, 1001429), (517, 408707), (611, 345829), (1639, 128921), (1937, 109087), (2321, 91039), (2743, 77033), (6721, 31439), (7003, 30173), (9917, 21307)]