221172385552

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{31203779}}^1$

素因数の和:31204230

約数の個数: 20

約数和(自身を含む): 429488827920

約数和(自身を除く): 208316442368

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 31203779, 62407558, 124815116, 249630232, 499260464, 13823274097, 27646548194, 55293096388, 110586192776, 221172385552]

約数ペア:

[(1, 221172385552), (2, 110586192776), (4, 55293096388), (8, 27646548194), (16, 13823274097), (443, 499260464), (886, 249630232), (1772, 124815116), (3544, 62407558), (7088, 31203779)]