27881958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 62401536

約数和(自身を除く): 34519578

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 806, 887, 1014, 1209, 1774, 2418, 2661, 5239, 5322, 10478, 11531, 15717, 23062, 27497, 31434, 34593, 54994, 69186, 82491, 149903, 164982, 299806, 357461, 449709, 714922, 899418, 1072383, 2144766, 4646993, 9293986, 13940979, 27881958]

約数ペア:

[(1, 27881958), (2, 13940979), (3, 9293986), (6, 4646993), (13, 2144766), (26, 1072383), (31, 899418), (39, 714922), (62, 449709), (78, 357461), (93, 299806), (169, 164982), (186, 149903), (338, 82491), (403, 69186), (507, 54994), (806, 34593), (887, 31434), (1014, 27497), (1209, 23062), (1774, 15717), (2418, 11531), (2661, 10478), (5239, 5322)]