81981844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127301}}^1$

素因数の和:127335

約数の個数: 24

約数和(自身を含む): 171093888

約数和(自身を除く): 89112044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 127301, 254602, 509204, 891107, 1782214, 2927923, 3564428, 5855846, 11711692, 20495461, 40990922, 81981844]

約数ペア:

[(1, 81981844), (2, 40990922), (4, 20495461), (7, 11711692), (14, 5855846), (23, 3564428), (28, 2927923), (46, 1782214), (92, 891107), (161, 509204), (322, 254602), (644, 127301)]