12687896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6459

約数の個数: 32

約数和(自身を含む): 26972400

約数和(自身を除く): 14284504

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 6421, 12842, 25684, 51368, 83473, 121999, 166946, 243998, 333892, 487996, 667784, 975992, 1585987, 3171974, 6343948, 12687896]

約数ペア:

[(1, 12687896), (2, 6343948), (4, 3171974), (8, 1585987), (13, 975992), (19, 667784), (26, 487996), (38, 333892), (52, 243998), (76, 166946), (104, 121999), (152, 83473), (247, 51368), (494, 25684), (988, 12842), (1976, 6421)]