669686507

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1\times {\mathrm{3313}}^1$

素因数の和:3818

約数の個数: 16

約数和(自身を含む): 778816512

約数和(自身を除く): 109130005

約数列:

[1, 7, 67, 431, 469, 3017, 3313, 23191, 28877, 202139, 221971, 1427903, 1553797, 9995321, 95669501, 669686507]

約数ペア:

[(1, 669686507), (7, 95669501), (67, 9995321), (431, 1553797), (469, 1427903), (3017, 221971), (3313, 202139), (23191, 28877)]