279685

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 16

約数和(自身を含む): 392832

約数和(自身を除く): 113147

約数列:

[1, 5, 7, 35, 61, 131, 305, 427, 655, 917, 2135, 4585, 7991, 39955, 55937, 279685]

約数ペア:

[(1, 279685), (5, 55937), (7, 39955), (35, 7991), (61, 4585), (131, 2135), (305, 917), (427, 655)]