289258529

素因数分解:

$7^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 333984000

約数和(自身を除く): 44725471

約数列:

[1, 7, 167, 349, 709, 1169, 2443, 4963, 58283, 118403, 247441, 407981, 828821, 1732087, 41322647, 289258529]

約数ペア:

[(1, 289258529), (7, 41322647), (167, 1732087), (349, 828821), (709, 407981), (1169, 247441), (2443, 118403), (4963, 58283)]