161065712

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{245527}}^1$

素因数の和:245576

約数の個数: 20

約数和(自身を含む): 319677456

約数和(自身を除く): 158611744

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 245527, 491054, 982108, 1964216, 3928432, 10066607, 20133214, 40266428, 80532856, 161065712]

約数ペア:

[(1, 161065712), (2, 80532856), (4, 40266428), (8, 20133214), (16, 10066607), (41, 3928432), (82, 1964216), (164, 982108), (328, 491054), (656, 245527)]