640919862

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{3236969}}^1$

素因数の和:3236988

約数の個数: 24

約数和(自身を含む): 1514901960

約数和(自身を除く): 873982098

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 3236969, 6473938, 9710907, 19421814, 29132721, 35606659, 58265442, 71213318, 106819977, 213639954, 320459931, 640919862]

約数ペア:

[(1, 640919862), (2, 320459931), (3, 213639954), (6, 106819977), (9, 71213318), (11, 58265442), (18, 35606659), (22, 29132721), (33, 19421814), (66, 9710907), (99, 6473938), (198, 3236969)]