256469734

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{40111}}^1$

素因数の和:40275

約数の個数: 16

約数和(自身を含む): 404328960

約数和(自身を除く): 147859226

約数列:

[1, 2, 23, 46, 139, 278, 3197, 6394, 40111, 80222, 922553, 1845106, 5575429, 11150858, 128234867, 256469734]

約数ペア:

[(1, 256469734), (2, 128234867), (23, 11150858), (46, 5575429), (139, 1845106), (278, 922553), (3197, 80222), (6394, 40111)]