28901144

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 56019600

約数和(自身を除く): 27118456

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 389, 502, 778, 1004, 1556, 2008, 3112, 9287, 14393, 18574, 28786, 37148, 57572, 74296, 97639, 115144, 195278, 390556, 781112, 3612643, 7225286, 14450572, 28901144]

約数ペア:

[(1, 28901144), (2, 14450572), (4, 7225286), (8, 3612643), (37, 781112), (74, 390556), (148, 195278), (251, 115144), (296, 97639), (389, 74296), (502, 57572), (778, 37148), (1004, 28786), (1556, 18574), (2008, 14393), (3112, 9287)]