28263906

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:732

約数の個数: 72

約数和(自身を含む): 70958160

約数和(自身を除く): 42694254

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 121, 171, 198, 209, 242, 342, 363, 418, 627, 683, 726, 1089, 1254, 1366, 1881, 2049, 2178, 2299, 3762, 4098, 4598, 6147, 6897, 7513, 12294, 12977, 13794, 15026, 20691, 22539, 25954, 38931, 41382, 45078, 67617, 77862, 82643, 116793, 135234, 142747, 165286, 233586, 247929, 285494, 428241, 495858, 743787, 856482, 1284723, 1487574, 1570217, 2569446, 3140434, 4710651, 9421302, 14131953, 28263906]

約数ペア:

[(1, 28263906), (2, 14131953), (3, 9421302), (6, 4710651), (9, 3140434), (11, 2569446), (18, 1570217), (19, 1487574), (22, 1284723), (33, 856482), (38, 743787), (57, 495858), (66, 428241), (99, 285494), (114, 247929), (121, 233586), (171, 165286), (198, 142747), (209, 135234), (242, 116793), (342, 82643), (363, 77862), (418, 67617), (627, 45078), (683, 41382), (726, 38931), (1089, 25954), (1254, 22539), (1366, 20691), (1881, 15026), (2049, 13794), (2178, 12977), (2299, 12294), (3762, 7513), (4098, 6897), (4598, 6147)]