291294122

素因数分解:

$2^1\times 7^4\times {\mathrm{60661}}^1$

素因数の和:60691

約数の個数: 20

約数和(自身を含む): 509742786

約数和(自身を除く): 218448664

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 60661, 121322, 424627, 849254, 2972389, 5944778, 20806723, 41613446, 145647061, 291294122]

約数ペア:

[(1, 291294122), (2, 145647061), (7, 41613446), (14, 20806723), (49, 5944778), (98, 2972389), (343, 849254), (686, 424627), (2401, 121322), (4802, 60661)]