2208031

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 2664000

約数和(自身を除く): 455969

約数列:

[1, 7, 29, 73, 149, 203, 511, 1043, 2117, 4321, 10877, 14819, 30247, 76139, 315433, 2208031]

約数ペア:

[(1, 2208031), (7, 315433), (29, 76139), (73, 30247), (149, 14819), (203, 10877), (511, 4321), (1043, 2117)]