81853786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2423}}^1$

素因数の和:2578

約数の個数: 32

約数和(自身を含む): 148930560

約数和(自身を除く): 67076774

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 889, 1778, 2413, 2423, 4826, 4846, 16891, 16961, 33782, 33922, 46037, 92074, 307721, 322259, 615442, 644518, 2154047, 4308094, 5846699, 11693398, 40926893, 81853786]

約数ペア:

[(1, 81853786), (2, 40926893), (7, 11693398), (14, 5846699), (19, 4308094), (38, 2154047), (127, 644518), (133, 615442), (254, 322259), (266, 307721), (889, 92074), (1778, 46037), (2413, 33922), (2423, 33782), (4826, 16961), (4846, 16891)]