651217788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8863}}^1$

素因数の和:9043

約数の個数: 72

約数和(自身を含む): 1784252288

約数和(自身を除く): 1133034500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 314, 468, 471, 628, 942, 1413, 1884, 2041, 2826, 4082, 5652, 6123, 8164, 8863, 12246, 17726, 18369, 24492, 26589, 35452, 36738, 53178, 73476, 79767, 106356, 115219, 159534, 230438, 319068, 345657, 460876, 691314, 1036971, 1382628, 1391491, 2073942, 2782982, 4147884, 4174473, 5565964, 8348946, 12523419, 16697892, 18089383, 25046838, 36178766, 50093676, 54268149, 72357532, 108536298, 162804447, 217072596, 325608894, 651217788]

約数ペア:

[(1, 651217788), (2, 325608894), (3, 217072596), (4, 162804447), (6, 108536298), (9, 72357532), (12, 54268149), (13, 50093676), (18, 36178766), (26, 25046838), (36, 18089383), (39, 16697892), (52, 12523419), (78, 8348946), (117, 5565964), (156, 4174473), (157, 4147884), (234, 2782982), (314, 2073942), (468, 1391491), (471, 1382628), (628, 1036971), (942, 691314), (1413, 460876), (1884, 345657), (2041, 319068), (2826, 230438), (4082, 159534), (5652, 115219), (6123, 106356), (8164, 79767), (8863, 73476), (12246, 53178), (17726, 36738), (18369, 35452), (24492, 26589)]