1628771547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{461}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 2516155488

約数和(自身を除く): 887383941

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 461, 663, 949, 1241, 1383, 2847, 3723, 5329, 5993, 7837, 15987, 16133, 17979, 23511, 33653, 48399, 69277, 90593, 100959, 101881, 207831, 271779, 305643, 437489, 572101, 1177709, 1312467, 1716303, 2456669, 3533127, 7370007, 7437313, 22311939, 31936697, 41763373, 95810091, 125290119, 542923849, 1628771547]

約数ペア:

[(1, 1628771547), (3, 542923849), (13, 125290119), (17, 95810091), (39, 41763373), (51, 31936697), (73, 22311939), (219, 7437313), (221, 7370007), (461, 3533127), (663, 2456669), (949, 1716303), (1241, 1312467), (1383, 1177709), (2847, 572101), (3723, 437489), (5329, 305643), (5993, 271779), (7837, 207831), (15987, 101881), (16133, 100959), (17979, 90593), (23511, 69277), (33653, 48399)]