76642321

素因数分解:

$7^4\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 20

約数和(自身を含む): 90449892

約数和(自身を除く): 13807571

約数列:

[1, 7, 49, 137, 233, 343, 959, 1631, 2401, 6713, 11417, 31921, 46991, 79919, 223447, 328937, 559433, 1564129, 10948903, 76642321]

約数ペア:

[(1, 76642321), (7, 10948903), (49, 1564129), (137, 559433), (233, 328937), (343, 223447), (959, 79919), (1631, 46991), (2401, 31921), (6713, 11417)]