28281906

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{7817}}^1$

素因数の和:7895

約数の個数: 32

約数和(自身を含む): 63794880

約数和(自身を除く): 35512974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 7817, 15634, 23451, 46902, 70353, 140706, 211059, 422118, 523739, 1047478, 1571217, 3142434, 4713651, 9427302, 14140953, 28281906]

約数ペア:

[(1, 28281906), (2, 14140953), (3, 9427302), (6, 4713651), (9, 3142434), (18, 1571217), (27, 1047478), (54, 523739), (67, 422118), (134, 211059), (201, 140706), (402, 70353), (603, 46902), (1206, 23451), (1809, 15634), (3618, 7817)]