16639986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 38071296

約数和(自身を除く): 21431310

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 67, 71, 106, 134, 142, 159, 201, 213, 318, 402, 426, 583, 737, 781, 1166, 1474, 1562, 1749, 2211, 2343, 3498, 3551, 3763, 4422, 4686, 4757, 7102, 7526, 9514, 10653, 11289, 14271, 21306, 22578, 28542, 39061, 41393, 52327, 78122, 82786, 104654, 117183, 124179, 156981, 234366, 248358, 252121, 313962, 504242, 756363, 1512726, 2773331, 5546662, 8319993, 16639986]

約数ペア:

[(1, 16639986), (2, 8319993), (3, 5546662), (6, 2773331), (11, 1512726), (22, 756363), (33, 504242), (53, 313962), (66, 252121), (67, 248358), (71, 234366), (106, 156981), (134, 124179), (142, 117183), (159, 104654), (201, 82786), (213, 78122), (318, 52327), (402, 41393), (426, 39061), (583, 28542), (737, 22578), (781, 21306), (1166, 14271), (1474, 11289), (1562, 10653), (1749, 9514), (2211, 7526), (2343, 7102), (3498, 4757), (3551, 4686), (3763, 4422)]