4020457

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 5096256

約数和(自身を除く): 1075799

約数列:

[1, 7, 19, 37, 43, 133, 259, 301, 361, 703, 817, 1591, 2527, 4921, 5719, 11137, 13357, 15523, 30229, 93499, 108661, 211603, 574351, 4020457]

約数ペア:

[(1, 4020457), (7, 574351), (19, 211603), (37, 108661), (43, 93499), (133, 30229), (259, 15523), (301, 13357), (361, 11137), (703, 5719), (817, 4921), (1591, 2527)]