28001578

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 47187648

約数和(自身を除く): 19186070

約数列:

[1, 2, 11, 22, 67, 121, 134, 157, 242, 314, 737, 1331, 1474, 1727, 2662, 3454, 8107, 10519, 16214, 18997, 21038, 37994, 89177, 115709, 178354, 208967, 231418, 417934, 1272799, 2545598, 14000789, 28001578]

約数ペア:

[(1, 28001578), (2, 14000789), (11, 2545598), (22, 1272799), (67, 417934), (121, 231418), (134, 208967), (157, 178354), (242, 115709), (314, 89177), (737, 37994), (1331, 21038), (1474, 18997), (1727, 16214), (2662, 10519), (3454, 8107)]