221469.0000000

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{1051}}^1$

素因数の和:1340

約数の個数: 20

約数和(自身を含む): 9196584

約数和(自身を除く): 4471288

約数列:

[1, 2, 4, 8, 16, 281, 562, 1051, 1124, 2102, 2248, 4204, 4496, 8408, 16816, 295331, 590662, 1181324, 2362648, 4725296]

約数ペア:

[(1, 4725296), (2, 2362648), (4, 1181324), (8, 590662), (16, 295331), (281, 16816), (562, 8408), (1051, 4496), (1124, 4204), (2102, 2248)]