81867552

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65599}}^1$

素因数の和:65625

約数の個数: 48

約数和(自身を含む): 231436800

約数和(自身を除く): 149569248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65599, 131198, 196797, 262396, 393594, 524792, 787188, 852787, 1049584, 1574376, 1705574, 2099168, 2558361, 3148752, 3411148, 5116722, 6297504, 6822296, 10233444, 13644592, 20466888, 27289184, 40933776, 81867552]

約数ペア:

[(1, 81867552), (2, 40933776), (3, 27289184), (4, 20466888), (6, 13644592), (8, 10233444), (12, 6822296), (13, 6297504), (16, 5116722), (24, 3411148), (26, 3148752), (32, 2558361), (39, 2099168), (48, 1705574), (52, 1574376), (78, 1049584), (96, 852787), (104, 787188), (156, 524792), (208, 393594), (312, 262396), (416, 196797), (624, 131198), (1248, 65599)]