219801098

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 379669248

約数和(自身を除く): 159868150

約数列:

[1, 2, 11, 22, 31, 62, 83, 121, 166, 242, 341, 353, 682, 706, 913, 1826, 2573, 3751, 3883, 5146, 7502, 7766, 10043, 10943, 20086, 21886, 28303, 29299, 42713, 56606, 58598, 85426, 120373, 240746, 311333, 322289, 622666, 644578, 908269, 1324103, 1816538, 2648206, 3545179, 7090358, 9990959, 19981918, 109900549, 219801098]

約数ペア:

[(1, 219801098), (2, 109900549), (11, 19981918), (22, 9990959), (31, 7090358), (62, 3545179), (83, 2648206), (121, 1816538), (166, 1324103), (242, 908269), (341, 644578), (353, 622666), (682, 322289), (706, 311333), (913, 240746), (1826, 120373), (2573, 85426), (3751, 58598), (3883, 56606), (5146, 42713), (7502, 29299), (7766, 28303), (10043, 21886), (10943, 20086)]