128266684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{352381}}^1$

素因数の和:352405

約数の個数: 24

約数和(自身を含む): 276267488

約数和(自身を除く): 148000804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 352381, 704762, 1409524, 2466667, 4580953, 4933334, 9161906, 9866668, 18323812, 32066671, 64133342, 128266684]

約数ペア:

[(1, 128266684), (2, 64133342), (4, 32066671), (7, 18323812), (13, 9866668), (14, 9161906), (26, 4933334), (28, 4580953), (52, 2466667), (91, 1409524), (182, 704762), (364, 352381)]