16490656

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 72

約数和(自身を含む): 40721940

約数和(自身を除く): 24231284

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 809, 1274, 1456, 1568, 1618, 2548, 2912, 3236, 5096, 5663, 6472, 10192, 10517, 11326, 12944, 20384, 21034, 22652, 25888, 39641, 42068, 45304, 73619, 79282, 84136, 90608, 147238, 158564, 168272, 181216, 294476, 317128, 336544, 515333, 588952, 634256, 1030666, 1177904, 1268512, 2061332, 2355808, 4122664, 8245328, 16490656]

約数ペア:

[(1, 16490656), (2, 8245328), (4, 4122664), (7, 2355808), (8, 2061332), (13, 1268512), (14, 1177904), (16, 1030666), (26, 634256), (28, 588952), (32, 515333), (49, 336544), (52, 317128), (56, 294476), (91, 181216), (98, 168272), (104, 158564), (112, 147238), (182, 90608), (196, 84136), (208, 79282), (224, 73619), (364, 45304), (392, 42068), (416, 39641), (637, 25888), (728, 22652), (784, 21034), (809, 20384), (1274, 12944), (1456, 11326), (1568, 10517), (1618, 10192), (2548, 6472), (2912, 5663), (3236, 5096)]