256709824

素因数分解:

$2^6\times 7^2\times {\mathrm{109}}^1\times {\mathrm{751}}^1$

素因数の和:886

約数の個数: 84

約数和(自身を含む): 598810080

約数和(自身を除く): 342100256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 109, 112, 196, 218, 224, 392, 436, 448, 751, 763, 784, 872, 1502, 1526, 1568, 1744, 3004, 3052, 3136, 3488, 5257, 5341, 6008, 6104, 6976, 10514, 10682, 12016, 12208, 21028, 21364, 24032, 24416, 36799, 42056, 42728, 48064, 48832, 73598, 81859, 84112, 85456, 147196, 163718, 168224, 170912, 294392, 327436, 336448, 341824, 573013, 588784, 654872, 1146026, 1177568, 1309744, 2292052, 2355136, 2619488, 4011091, 4584104, 5238976, 8022182, 9168208, 16044364, 18336416, 32088728, 36672832, 64177456, 128354912, 256709824]

約数ペア:

[(1, 256709824), (2, 128354912), (4, 64177456), (7, 36672832), (8, 32088728), (14, 18336416), (16, 16044364), (28, 9168208), (32, 8022182), (49, 5238976), (56, 4584104), (64, 4011091), (98, 2619488), (109, 2355136), (112, 2292052), (196, 1309744), (218, 1177568), (224, 1146026), (392, 654872), (436, 588784), (448, 573013), (751, 341824), (763, 336448), (784, 327436), (872, 294392), (1502, 170912), (1526, 168224), (1568, 163718), (1744, 147196), (3004, 85456), (3052, 84112), (3136, 81859), (3488, 73598), (5257, 48832), (5341, 48064), (6008, 42728), (6104, 42056), (6976, 36799), (10514, 24416), (10682, 24032), (12016, 21364), (12208, 21028)]