1801228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3838464

約数和(自身を除く): 2037236

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 67, 94, 134, 143, 188, 268, 286, 517, 572, 611, 737, 871, 1034, 1222, 1474, 1742, 2068, 2444, 2948, 3149, 3484, 6298, 6721, 9581, 12596, 13442, 19162, 26884, 34639, 38324, 40937, 69278, 81874, 138556, 163748, 450307, 900614, 1801228]

約数ペア:

[(1, 1801228), (2, 900614), (4, 450307), (11, 163748), (13, 138556), (22, 81874), (26, 69278), (44, 40937), (47, 38324), (52, 34639), (67, 26884), (94, 19162), (134, 13442), (143, 12596), (188, 9581), (268, 6721), (286, 6298), (517, 3484), (572, 3149), (611, 2948), (737, 2444), (871, 2068), (1034, 1742), (1222, 1474)]