2178736

素因数分解:

$2^4\times 7^3\times {\mathrm{397}}^1$

素因数の和:426

約数の個数: 40

約数和(自身を含む): 4935200

約数和(自身を除く): 2756464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 397, 686, 784, 794, 1372, 1588, 2744, 2779, 3176, 5488, 5558, 6352, 11116, 19453, 22232, 38906, 44464, 77812, 136171, 155624, 272342, 311248, 544684, 1089368, 2178736]

約数ペア:

[(1, 2178736), (2, 1089368), (4, 544684), (7, 311248), (8, 272342), (14, 155624), (16, 136171), (28, 77812), (49, 44464), (56, 38906), (98, 22232), (112, 19453), (196, 11116), (343, 6352), (392, 5558), (397, 5488), (686, 3176), (784, 2779), (794, 2744), (1372, 1588)]