213565247

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{4421}}^1$

素因数の和:4598

約数の個数: 16

約数和(自身を含む): 250179072

約数和(自身を除く): 36613825

約数列:

[1, 7, 67, 103, 469, 721, 4421, 6901, 30947, 48307, 296207, 455363, 2073449, 3187541, 30509321, 213565247]

約数ペア:

[(1, 213565247), (7, 30509321), (67, 3187541), (103, 2073449), (469, 455363), (721, 296207), (4421, 48307), (6901, 30947)]