72642878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20509}}^1$

素因数の和:20552

約数の個数: 32

約数和(自身を含む): 141765120

約数和(自身を除く): 69122242

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 20509, 41018, 143563, 225599, 287126, 451198, 471707, 943414, 1579193, 3158386, 3301949, 5188777, 6603898, 10377554, 36321439, 72642878]

約数ペア:

[(1, 72642878), (2, 36321439), (7, 10377554), (11, 6603898), (14, 5188777), (22, 3301949), (23, 3158386), (46, 1579193), (77, 943414), (154, 471707), (161, 451198), (253, 287126), (322, 225599), (506, 143563), (1771, 41018), (3542, 20509)]