28811538

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{941}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 74154240

約数和(自身を除く): 45342702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 941, 1134, 1458, 1701, 1882, 2187, 2823, 3402, 4374, 5103, 5646, 6587, 8469, 10206, 13174, 15309, 16938, 19761, 25407, 30618, 39522, 50814, 59283, 76221, 118566, 152442, 177849, 228663, 355698, 457326, 533547, 685989, 1067094, 1371978, 1600641, 2057967, 3201282, 4115934, 4801923, 9603846, 14405769, 28811538]

約数ペア:

[(1, 28811538), (2, 14405769), (3, 9603846), (6, 4801923), (7, 4115934), (9, 3201282), (14, 2057967), (18, 1600641), (21, 1371978), (27, 1067094), (42, 685989), (54, 533547), (63, 457326), (81, 355698), (126, 228663), (162, 177849), (189, 152442), (243, 118566), (378, 76221), (486, 59283), (567, 50814), (729, 39522), (941, 30618), (1134, 25407), (1458, 19761), (1701, 16938), (1882, 15309), (2187, 13174), (2823, 10206), (3402, 8469), (4374, 6587), (5103, 5646)]