81921696

素因数分解:

$2^5\times 3^1\times {\mathrm{661}}^1\times {\mathrm{1291}}^1$

素因数の和:1965

約数の個数: 48

約数和(自身を含む): 215536608

約数和(自身を除く): 133614912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 661, 1291, 1322, 1983, 2582, 2644, 3873, 3966, 5164, 5288, 7746, 7932, 10328, 10576, 15492, 15864, 20656, 21152, 30984, 31728, 41312, 61968, 63456, 123936, 853351, 1706702, 2560053, 3413404, 5120106, 6826808, 10240212, 13653616, 20480424, 27307232, 40960848, 81921696]

約数ペア:

[(1, 81921696), (2, 40960848), (3, 27307232), (4, 20480424), (6, 13653616), (8, 10240212), (12, 6826808), (16, 5120106), (24, 3413404), (32, 2560053), (48, 1706702), (96, 853351), (661, 123936), (1291, 63456), (1322, 61968), (1983, 41312), (2582, 31728), (2644, 30984), (3873, 21152), (3966, 20656), (5164, 15864), (5288, 15492), (7746, 10576), (7932, 10328)]