28321601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3571}}^1$

素因数の和:3692

約数の個数: 16

約数和(自身を含む): 35662848

約数和(自身を除く): 7341247

約数列:

[1, 7, 11, 77, 103, 721, 1133, 3571, 7931, 24997, 39281, 274967, 367813, 2574691, 4045943, 28321601]

約数ペア:

[(1, 28321601), (7, 4045943), (11, 2574691), (77, 367813), (103, 274967), (721, 39281), (1133, 24997), (3571, 7931)]