16981664

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1613}}^1$

素因数の和:1677

約数の個数: 48

約数和(自身を含む): 39045888

約数和(自身を除く): 22064224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 1613, 2632, 3226, 5264, 6452, 10528, 11291, 12904, 22582, 25808, 45164, 51616, 75811, 90328, 151622, 180656, 303244, 361312, 530677, 606488, 1061354, 1212976, 2122708, 2425952, 4245416, 8490832, 16981664]

約数ペア:

[(1, 16981664), (2, 8490832), (4, 4245416), (7, 2425952), (8, 2122708), (14, 1212976), (16, 1061354), (28, 606488), (32, 530677), (47, 361312), (56, 303244), (94, 180656), (112, 151622), (188, 90328), (224, 75811), (329, 51616), (376, 45164), (658, 25808), (752, 22582), (1316, 12904), (1504, 11291), (1613, 10528), (2632, 6452), (3226, 5264)]