218144878

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{213449}}^1$

素因数の和:213531

約数の個数: 16

約数和(自身を含む): 379087200

約数和(自身を除く): 160942322

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 213449, 426898, 1494143, 2988286, 15581777, 31163554, 109072439, 218144878]

約数ペア:

[(1, 218144878), (2, 109072439), (7, 31163554), (14, 15581777), (73, 2988286), (146, 1494143), (511, 426898), (1022, 213449)]