15902488

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1427}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 18369512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1427, 1592, 2786, 2854, 5572, 5708, 9989, 11144, 11416, 19978, 39956, 79912, 283973, 567946, 1135892, 1987811, 2271784, 3975622, 7951244, 15902488]

約数ペア:

[(1, 15902488), (2, 7951244), (4, 3975622), (7, 2271784), (8, 1987811), (14, 1135892), (28, 567946), (56, 283973), (199, 79912), (398, 39956), (796, 19978), (1393, 11416), (1427, 11144), (1592, 9989), (2786, 5708), (2854, 5572)]