1388890198

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1\times {\mathrm{6871}}^1$

素因数の和:7563

約数の個数: 16

約数和(自身を含む): 2097884160

約数和(自身を除く): 708993962

約数列:

[1, 2, 211, 422, 479, 958, 6871, 13742, 101069, 202138, 1449781, 2899562, 3291209, 6582418, 694445099, 1388890198]

約数ペア:

[(1, 1388890198), (2, 694445099), (211, 6582418), (422, 3291209), (479, 2899562), (958, 1449781), (6871, 202138), (13742, 101069)]