256472426

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{300319}}^1$

素因数の和:300389

約数の個数: 16

約数和(自身を含む): 446876160

約数和(自身を除く): 190403734

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 300319, 600638, 2102233, 4204466, 18319459, 36638918, 128236213, 256472426]

約数ペア:

[(1, 256472426), (2, 128236213), (7, 36638918), (14, 18319459), (61, 4204466), (122, 2102233), (427, 600638), (854, 300319)]