81354742

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 143668224

約数和(自身を除く): 62313482

約数列:

[1, 2, 7, 14, 41, 82, 271, 287, 523, 542, 574, 1046, 1897, 3661, 3794, 7322, 11111, 21443, 22222, 42886, 77777, 141733, 150101, 155554, 283466, 300202, 992131, 1984262, 5811053, 11622106, 40677371, 81354742]

約数ペア:

[(1, 81354742), (2, 40677371), (7, 11622106), (14, 5811053), (41, 1984262), (82, 992131), (271, 300202), (287, 283466), (523, 155554), (542, 150101), (574, 141733), (1046, 77777), (1897, 42886), (3661, 22222), (3794, 21443), (7322, 11111)]