291245564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{6661}}^1$

素因数の和:7325

約数の個数: 24

約数和(自身を含む): 540581328

約数和(自身を除く): 249335764

約数列:

[1, 2, 4, 17, 34, 68, 643, 1286, 2572, 6661, 10931, 13322, 21862, 26644, 43724, 113237, 226474, 452948, 4283023, 8566046, 17132092, 72811391, 145622782, 291245564]

約数ペア:

[(1, 291245564), (2, 145622782), (4, 72811391), (17, 17132092), (34, 8566046), (68, 4283023), (643, 452948), (1286, 226474), (2572, 113237), (6661, 43724), (10931, 26644), (13322, 21862)]