217620016

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{56909}}^1$

素因数の和:57156

約数の個数: 20

約数和(自身を含む): 423410400

約数和(自身を除く): 205790384

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 56909, 113818, 227636, 455272, 910544, 13601251, 27202502, 54405004, 108810008, 217620016]

約数ペア:

[(1, 217620016), (2, 108810008), (4, 54405004), (8, 27202502), (16, 13601251), (239, 910544), (478, 455272), (956, 227636), (1912, 113818), (3824, 56909)]