261411472

素因数分解:

$2^4\times 7^2\times {\mathrm{333433}}^1$

素因数の和:333455

約数の個数: 30

約数和(自身を含む): 589177878

約数和(自身を除く): 327766406

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 333433, 666866, 1333732, 2334031, 2667464, 4668062, 5334928, 9336124, 16338217, 18672248, 32676434, 37344496, 65352868, 130705736, 261411472]

約数ペア:

[(1, 261411472), (2, 130705736), (4, 65352868), (7, 37344496), (8, 32676434), (14, 18672248), (16, 16338217), (28, 9336124), (49, 5334928), (56, 4668062), (98, 2667464), (112, 2334031), (196, 1333732), (392, 666866), (784, 333433)]