128565787

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{17117}}^1$

素因数の和:17190

約数の個数: 16

約数和(自身を含む): 156116160

約数和(自身を除く): 27550373

約数列:

[1, 7, 29, 37, 203, 259, 1073, 7511, 17117, 119819, 496393, 633329, 3474751, 4433303, 18366541, 128565787]

約数ペア:

[(1, 128565787), (7, 18366541), (29, 4433303), (37, 3474751), (203, 633329), (259, 496393), (1073, 119819), (7511, 17117)]