28685514

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:595

約数の個数: 64

約数和(自身を含む): 68544000

約数和(自身を除く): 39858486

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 67, 78, 134, 143, 201, 286, 402, 429, 499, 737, 858, 871, 998, 1474, 1497, 1742, 2211, 2613, 2994, 4422, 5226, 5489, 6487, 9581, 10978, 12974, 16467, 19162, 19461, 28743, 32934, 33433, 38922, 57486, 66866, 71357, 100299, 142714, 200598, 214071, 367763, 428142, 434629, 735526, 869258, 1103289, 1303887, 2206578, 2607774, 4780919, 9561838, 14342757, 28685514]

約数ペア:

[(1, 28685514), (2, 14342757), (3, 9561838), (6, 4780919), (11, 2607774), (13, 2206578), (22, 1303887), (26, 1103289), (33, 869258), (39, 735526), (66, 434629), (67, 428142), (78, 367763), (134, 214071), (143, 200598), (201, 142714), (286, 100299), (402, 71357), (429, 66866), (499, 57486), (737, 38922), (858, 33433), (871, 32934), (998, 28743), (1474, 19461), (1497, 19162), (1742, 16467), (2211, 12974), (2613, 10978), (2994, 9581), (4422, 6487), (5226, 5489)]