78771497

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 91601280

約数和(自身を除く): 12829783

約数列:

[1, 7, 89, 227, 557, 623, 1589, 3899, 20203, 49573, 126439, 141421, 347011, 885073, 11253071, 78771497]

約数ペア:

[(1, 78771497), (7, 11253071), (89, 885073), (227, 347011), (557, 141421), (623, 126439), (1589, 49573), (3899, 20203)]