209425248

素因数分解:

$2^5\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1481}}^1$

素因数の和:1988

約数の個数: 72

約数和(自身を含む): 597168936

約数和(自身を除く): 387743688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 491, 982, 1473, 1481, 1964, 2946, 2962, 3928, 4419, 4443, 5892, 5924, 7856, 8838, 8886, 11784, 11848, 13329, 15712, 17676, 17772, 23568, 23696, 26658, 35352, 35544, 47136, 47392, 53316, 70704, 71088, 106632, 141408, 142176, 213264, 426528, 727171, 1454342, 2181513, 2908684, 4363026, 5817368, 6544539, 8726052, 11634736, 13089078, 17452104, 23269472, 26178156, 34904208, 52356312, 69808416, 104712624, 209425248]

約数ペア:

[(1, 209425248), (2, 104712624), (3, 69808416), (4, 52356312), (6, 34904208), (8, 26178156), (9, 23269472), (12, 17452104), (16, 13089078), (18, 11634736), (24, 8726052), (32, 6544539), (36, 5817368), (48, 4363026), (72, 2908684), (96, 2181513), (144, 1454342), (288, 727171), (491, 426528), (982, 213264), (1473, 142176), (1481, 141408), (1964, 106632), (2946, 71088), (2962, 70704), (3928, 53316), (4419, 47392), (4443, 47136), (5892, 35544), (5924, 35352), (7856, 26658), (8838, 23696), (8886, 23568), (11784, 17772), (11848, 17676), (13329, 15712)]