128354912

素因数分解:

$2^5\times 7^2\times {\mathrm{109}}^1\times {\mathrm{751}}^1$

素因数の和:884

約数の個数: 72

約数和(自身を含む): 297047520

約数和(自身を除く): 168692608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 109, 112, 196, 218, 224, 392, 436, 751, 763, 784, 872, 1502, 1526, 1568, 1744, 3004, 3052, 3488, 5257, 5341, 6008, 6104, 10514, 10682, 12016, 12208, 21028, 21364, 24032, 24416, 36799, 42056, 42728, 73598, 81859, 84112, 85456, 147196, 163718, 168224, 170912, 294392, 327436, 573013, 588784, 654872, 1146026, 1177568, 1309744, 2292052, 2619488, 4011091, 4584104, 8022182, 9168208, 16044364, 18336416, 32088728, 64177456, 128354912]

約数ペア:

[(1, 128354912), (2, 64177456), (4, 32088728), (7, 18336416), (8, 16044364), (14, 9168208), (16, 8022182), (28, 4584104), (32, 4011091), (49, 2619488), (56, 2292052), (98, 1309744), (109, 1177568), (112, 1146026), (196, 654872), (218, 588784), (224, 573013), (392, 327436), (436, 294392), (751, 170912), (763, 168224), (784, 163718), (872, 147196), (1502, 85456), (1526, 84112), (1568, 81859), (1744, 73598), (3004, 42728), (3052, 42056), (3488, 36799), (5257, 24416), (5341, 24032), (6008, 21364), (6104, 21028), (10514, 12208), (10682, 12016)]