128389156

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241333}}^1$

素因数の和:241363

約数の個数: 24

約数和(自身を含む): 270294080

約数和(自身を除く): 141904924

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 241333, 482666, 965332, 1689331, 3378662, 4585327, 6757324, 9170654, 18341308, 32097289, 64194578, 128389156]

約数ペア:

[(1, 128389156), (2, 64194578), (4, 32097289), (7, 18341308), (14, 9170654), (19, 6757324), (28, 4585327), (38, 3378662), (76, 1689331), (133, 965332), (266, 482666), (532, 241333)]