128932678

素因数分解:

$2^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{21269}}^1$

素因数の和:21711

約数の個数: 16

約数和(自身を含む): 221548320

約数和(自身を除く): 92615642

約数列:

[1, 2, 7, 14, 433, 866, 3031, 6062, 21269, 42538, 148883, 297766, 9209477, 18418954, 64466339, 128932678]

約数ペア:

[(1, 128932678), (2, 64466339), (7, 18418954), (14, 9209477), (433, 297766), (866, 148883), (3031, 42538), (6062, 21269)]