216804978

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 565367040

約数和(自身を除く): 348562062

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 37, 39, 51, 54, 74, 78, 102, 111, 117, 153, 221, 222, 234, 306, 333, 351, 442, 459, 481, 491, 629, 663, 666, 702, 918, 962, 982, 999, 1258, 1326, 1443, 1473, 1887, 1989, 1998, 2886, 2946, 3774, 3978, 4329, 4419, 5661, 5967, 6383, 8177, 8347, 8658, 8838, 11322, 11934, 12766, 12987, 13257, 16354, 16694, 16983, 18167, 19149, 24531, 25041, 25974, 26514, 33966, 36334, 38298, 49062, 50082, 54501, 57447, 73593, 75123, 108511, 109002, 114894, 147186, 150246, 163503, 172341, 217022, 220779, 225369, 236171, 308839, 325533, 327006, 344682, 441558, 450738, 472342, 490509, 617678, 651066, 708513, 926517, 976599, 981018, 1417026, 1853034, 1953198, 2125539, 2779551, 2929797, 4014907, 4251078, 5559102, 5859594, 6376617, 8029814, 8338653, 12044721, 12753234, 16677306, 24089442, 36134163, 72268326, 108402489, 216804978]

約数ペア:

[(1, 216804978), (2, 108402489), (3, 72268326), (6, 36134163), (9, 24089442), (13, 16677306), (17, 12753234), (18, 12044721), (26, 8338653), (27, 8029814), (34, 6376617), (37, 5859594), (39, 5559102), (51, 4251078), (54, 4014907), (74, 2929797), (78, 2779551), (102, 2125539), (111, 1953198), (117, 1853034), (153, 1417026), (221, 981018), (222, 976599), (234, 926517), (306, 708513), (333, 651066), (351, 617678), (442, 490509), (459, 472342), (481, 450738), (491, 441558), (629, 344682), (663, 327006), (666, 325533), (702, 308839), (918, 236171), (962, 225369), (982, 220779), (999, 217022), (1258, 172341), (1326, 163503), (1443, 150246), (1473, 147186), (1887, 114894), (1989, 109002), (1998, 108511), (2886, 75123), (2946, 73593), (3774, 57447), (3978, 54501), (4329, 50082), (4419, 49062), (5661, 38298), (5967, 36334), (6383, 33966), (8177, 26514), (8347, 25974), (8658, 25041), (8838, 24531), (11322, 19149), (11934, 18167), (12766, 16983), (12987, 16694), (13257, 16354)]