66280921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4133}}^1$

素因数の和:4248

約数の個数: 16

約数和(自身を含む): 79372800

約数和(自身を除く): 13091879

約数列:

[1, 7, 29, 79, 203, 553, 2291, 4133, 16037, 28931, 119857, 326507, 838999, 2285549, 9468703, 66280921]

約数ペア:

[(1, 66280921), (7, 9468703), (29, 2285549), (79, 838999), (203, 326507), (553, 119857), (2291, 28931), (4133, 16037)]