80971792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{937}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 171676512

約数和(自身を除く): 90704720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 491, 937, 982, 1874, 1964, 3748, 3928, 5401, 7496, 7856, 10307, 10802, 14992, 20614, 21604, 41228, 43208, 82456, 86416, 164912, 460067, 920134, 1840268, 3680536, 5060737, 7361072, 10121474, 20242948, 40485896, 80971792]

約数ペア:

[(1, 80971792), (2, 40485896), (4, 20242948), (8, 10121474), (11, 7361072), (16, 5060737), (22, 3680536), (44, 1840268), (88, 920134), (176, 460067), (491, 164912), (937, 86416), (982, 82456), (1874, 43208), (1964, 41228), (3748, 21604), (3928, 20614), (5401, 14992), (7496, 10802), (7856, 10307)]