12920687998

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{15319}}^1$

素因数の和:15556

約数の個数: 32

約数和(自身を含む): 20202177600

約数和(自身を除く): 7281489602

約数列:

[1, 2, 53, 73, 106, 109, 146, 218, 3869, 5777, 7738, 7957, 11554, 15319, 15914, 30638, 421721, 811907, 843442, 1118287, 1623814, 1669771, 2236574, 3339542, 59269211, 88497863, 118538422, 121893283, 176995726, 243786566, 6460343999, 12920687998]

約数ペア:

[(1, 12920687998), (2, 6460343999), (53, 243786566), (73, 176995726), (106, 121893283), (109, 118538422), (146, 88497863), (218, 59269211), (3869, 3339542), (5777, 2236574), (7738, 1669771), (7957, 1623814), (11554, 1118287), (15319, 843442), (15914, 811907), (30638, 421721)]