256670554

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{8123}}^1$

素因数の和:8230

約数の個数: 32

約数和(自身を含む): 459363456

約数和(自身を除く): 202692902

約数列:

[1, 2, 7, 14, 37, 61, 74, 122, 259, 427, 518, 854, 2257, 4514, 8123, 15799, 16246, 31598, 56861, 113722, 300551, 495503, 601102, 991006, 2103857, 3468521, 4207714, 6937042, 18333611, 36667222, 128335277, 256670554]

約数ペア:

[(1, 256670554), (2, 128335277), (7, 36667222), (14, 18333611), (37, 6937042), (61, 4207714), (74, 3468521), (122, 2103857), (259, 991006), (427, 601102), (518, 495503), (854, 300551), (2257, 113722), (4514, 56861), (8123, 31598), (15799, 16246)]