1380304816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{182387}}^1$

素因数の和:182449

約数の個数: 40

約数和(自身を含む): 2985326784

約数和(自身を除く): 1605021968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 182387, 364774, 729548, 1459096, 2006257, 2918192, 4012514, 7842641, 8025028, 15685282, 16050056, 31370564, 32100112, 62741128, 86269051, 125482256, 172538102, 345076204, 690152408, 1380304816]

約数ペア:

[(1, 1380304816), (2, 690152408), (4, 345076204), (8, 172538102), (11, 125482256), (16, 86269051), (22, 62741128), (43, 32100112), (44, 31370564), (86, 16050056), (88, 15685282), (172, 8025028), (176, 7842641), (344, 4012514), (473, 2918192), (688, 2006257), (946, 1459096), (1892, 729548), (3784, 364774), (7568, 182387)]