4500000008

素因数分解:

$2^3\times 7^1\times {\mathrm{2383}}^1\times {\mathrm{33721}}^1$

素因数の和:36117

約数の個数: 32

約数和(自身を含む): 9647189760

約数和(自身を除く): 5147189752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2383, 4766, 9532, 16681, 19064, 33362, 33721, 66724, 67442, 133448, 134884, 236047, 269768, 472094, 944188, 1888376, 80357143, 160714286, 321428572, 562500001, 642857144, 1125000002, 2250000004, 4500000008]

約数ペア:

[(1, 4500000008), (2, 2250000004), (4, 1125000002), (7, 642857144), (8, 562500001), (14, 321428572), (28, 160714286), (56, 80357143), (2383, 1888376), (4766, 944188), (9532, 472094), (16681, 269768), (19064, 236047), (33362, 134884), (33721, 133448), (66724, 67442)]