213528889

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{1471}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 248002560

約数和(自身を除く): 34473671

約数列:

[1, 7, 89, 233, 623, 1471, 1631, 10297, 20737, 130919, 145159, 342743, 916433, 2399201, 30504127, 213528889]

約数ペア:

[(1, 213528889), (7, 30504127), (89, 2399201), (233, 916433), (623, 342743), (1471, 145159), (1631, 130919), (10297, 20737)]