28015812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 77837760

約数和(自身を除く): 49821948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 263, 269, 396, 526, 538, 789, 807, 1052, 1076, 1578, 1614, 2367, 2421, 2893, 2959, 3156, 3228, 4734, 4842, 5786, 5918, 8679, 8877, 9468, 9684, 11572, 11836, 17358, 17754, 26037, 26631, 34716, 35508, 52074, 53262, 70747, 104148, 106524, 141494, 212241, 282988, 424482, 636723, 778217, 848964, 1273446, 1556434, 2334651, 2546892, 3112868, 4669302, 7003953, 9338604, 14007906, 28015812]

約数ペア:

[(1, 28015812), (2, 14007906), (3, 9338604), (4, 7003953), (6, 4669302), (9, 3112868), (11, 2546892), (12, 2334651), (18, 1556434), (22, 1273446), (33, 848964), (36, 778217), (44, 636723), (66, 424482), (99, 282988), (132, 212241), (198, 141494), (263, 106524), (269, 104148), (396, 70747), (526, 53262), (538, 52074), (789, 35508), (807, 34716), (1052, 26631), (1076, 26037), (1578, 17754), (1614, 17358), (2367, 11836), (2421, 11572), (2893, 9684), (2959, 9468), (3156, 8877), (3228, 8679), (4734, 5918), (4842, 5786)]