1631240611

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 2322432000

約数和(自身を除く): 691191389

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 199, 209, 247, 431, 1001, 1393, 1463, 1729, 2189, 2587, 2717, 3017, 3781, 4741, 5603, 8189, 15323, 18109, 19019, 26467, 28457, 33187, 39221, 41591, 49153, 57323, 61633, 85769, 90079, 106457, 199199, 291137, 344071, 431431, 540683, 600383, 630553, 745199, 943459, 1114997, 1171027, 1629611, 3784781, 6604213, 7804979, 8197189, 11407277, 12264967, 17925721, 21184943, 85854769, 125480047, 148294601, 233034373, 1631240611]

約数ペア:

[(1, 1631240611), (7, 233034373), (11, 148294601), (13, 125480047), (19, 85854769), (77, 21184943), (91, 17925721), (133, 12264967), (143, 11407277), (199, 8197189), (209, 7804979), (247, 6604213), (431, 3784781), (1001, 1629611), (1393, 1171027), (1463, 1114997), (1729, 943459), (2189, 745199), (2587, 630553), (2717, 600383), (3017, 540683), (3781, 431431), (4741, 344071), (5603, 291137), (8189, 199199), (15323, 106457), (18109, 90079), (19019, 85769), (26467, 61633), (28457, 57323), (33187, 49153), (39221, 41591)]