221519242

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4019}}^1$

素因数の和:4186

約数の個数: 32

約数和(自身を含む): 395182080

約数和(自身を除く): 173662838

約数列:

[1, 2, 7, 14, 31, 62, 127, 217, 254, 434, 889, 1778, 3937, 4019, 7874, 8038, 27559, 28133, 55118, 56266, 124589, 249178, 510413, 872123, 1020826, 1744246, 3572891, 7145782, 15822803, 31645606, 110759621, 221519242]

約数ペア:

[(1, 221519242), (2, 110759621), (7, 31645606), (14, 15822803), (31, 7145782), (62, 3572891), (127, 1744246), (217, 1020826), (254, 872123), (434, 510413), (889, 249178), (1778, 124589), (3937, 56266), (4019, 55118), (7874, 28133), (8038, 27559)]