221186128

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{39839}}^1$

素因数の和:40194

約数の個数: 20

約数和(自身を含む): 429793920

約数和(自身を除く): 208607792

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 5552, 39839, 79678, 159356, 318712, 637424, 13824133, 27648266, 55296532, 110593064, 221186128]

約数ペア:

[(1, 221186128), (2, 110593064), (4, 55296532), (8, 27648266), (16, 13824133), (347, 637424), (694, 318712), (1388, 159356), (2776, 79678), (5552, 39839)]