28008684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{70729}}^1$

素因数の和:70750

約数の個数: 36

約数和(自身を含む): 77237160

約数和(自身を除く): 49228476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 70729, 141458, 212187, 282916, 424374, 636561, 778019, 848748, 1273122, 1556038, 2334057, 2546244, 3112076, 4668114, 7002171, 9336228, 14004342, 28008684]

約数ペア:

[(1, 28008684), (2, 14004342), (3, 9336228), (4, 7002171), (6, 4668114), (9, 3112076), (11, 2546244), (12, 2334057), (18, 1556038), (22, 1273122), (33, 848748), (36, 778019), (44, 636561), (66, 424374), (99, 282916), (132, 212187), (198, 141458), (396, 70729)]