1640579434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1\times {\mathrm{1997}}^1$

素因数の和:3694

約数の個数: 32

約数和(自身を含む): 2792724480

約数和(自身を除く): 1152145046

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 1663, 1997, 3326, 3994, 21619, 25961, 31597, 37943, 43238, 51922, 63194, 75886, 410761, 493259, 821522, 986518, 3321011, 6642022, 43173143, 63099209, 86346286, 126198418, 820289717, 1640579434]

約数ペア:

[(1, 1640579434), (2, 820289717), (13, 126198418), (19, 86346286), (26, 63099209), (38, 43173143), (247, 6642022), (494, 3321011), (1663, 986518), (1997, 821522), (3326, 493259), (3994, 410761), (21619, 75886), (25961, 63194), (31597, 51922), (37943, 43238)]