28729653

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 13663947

約数列:

[1, 3, 19, 31, 57, 71, 93, 213, 229, 589, 687, 1349, 1767, 2201, 4047, 4351, 6603, 7099, 13053, 16259, 21297, 41819, 48777, 125457, 134881, 308921, 404643, 504029, 926763, 1512087, 9576551, 28729653]

約数ペア:

[(1, 28729653), (3, 9576551), (19, 1512087), (31, 926763), (57, 504029), (71, 404643), (93, 308921), (213, 134881), (229, 125457), (589, 48777), (687, 41819), (1349, 21297), (1767, 16259), (2201, 13053), (4047, 7099), (4351, 6603)]