216224659

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{12613}}^1$

素因数の和:12730

約数の個数: 16

約数和(自身を含む): 258334720

約数和(自身を除く): 42110061

約数列:

[1, 7, 31, 79, 217, 553, 2449, 12613, 17143, 88291, 391003, 996427, 2737021, 6974989, 30889237, 216224659]

約数ペア:

[(1, 216224659), (7, 30889237), (31, 6974989), (79, 2737021), (217, 996427), (553, 391003), (2449, 88291), (12613, 17143)]