77702828

素因数分解:

$2^2\times 7^2\times {\mathrm{396443}}^1$

素因数の和:396461

約数の個数: 18

約数和(自身を含む): 158181156

約数和(自身を除く): 80478328

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 396443, 792886, 1585772, 2775101, 5550202, 11100404, 19425707, 38851414, 77702828]

約数ペア:

[(1, 77702828), (2, 38851414), (4, 19425707), (7, 11100404), (14, 5550202), (28, 2775101), (49, 1585772), (98, 792886), (196, 396443)]