640134

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 1566864

約数和(自身を除く): 926730

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 61, 66, 99, 106, 122, 159, 183, 198, 318, 366, 477, 549, 583, 671, 954, 1098, 1166, 1342, 1749, 2013, 3233, 3498, 4026, 5247, 6039, 6466, 9699, 10494, 12078, 19398, 29097, 35563, 58194, 71126, 106689, 213378, 320067, 640134]

約数ペア:

[(1, 640134), (2, 320067), (3, 213378), (6, 106689), (9, 71126), (11, 58194), (18, 35563), (22, 29097), (33, 19398), (53, 12078), (61, 10494), (66, 9699), (99, 6466), (106, 6039), (122, 5247), (159, 4026), (183, 3498), (198, 3233), (318, 2013), (366, 1749), (477, 1342), (549, 1166), (583, 1098), (671, 954)]