12857404

素因数分解:

$2^2\times 7^2\times {\mathrm{65599}}^1$

素因数の和:65617

約数の個数: 18

約数和(自身を含む): 26174400

約数和(自身を除く): 13316996

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 65599, 131198, 262396, 459193, 918386, 1836772, 3214351, 6428702, 12857404]

約数ペア:

[(1, 12857404), (2, 6428702), (4, 3214351), (7, 1836772), (14, 918386), (28, 459193), (49, 262396), (98, 131198), (196, 65599)]