31391892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2957

約数の個数: 72

約数和(自身を含む): 92828736

約数和(自身を除く): 61436844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 2897, 3612, 5418, 5794, 8691, 10836, 11588, 17382, 20279, 26073, 34764, 40558, 52146, 60837, 81116, 104292, 121674, 124571, 182511, 243348, 249142, 365022, 373713, 498284, 730044, 747426, 871997, 1121139, 1494852, 1743994, 2242278, 2615991, 3487988, 4484556, 5231982, 7847973, 10463964, 15695946, 31391892]

約数ペア:

[(1, 31391892), (2, 15695946), (3, 10463964), (4, 7847973), (6, 5231982), (7, 4484556), (9, 3487988), (12, 2615991), (14, 2242278), (18, 1743994), (21, 1494852), (28, 1121139), (36, 871997), (42, 747426), (43, 730044), (63, 498284), (84, 373713), (86, 365022), (126, 249142), (129, 243348), (172, 182511), (252, 124571), (258, 121674), (301, 104292), (387, 81116), (516, 60837), (602, 52146), (774, 40558), (903, 34764), (1204, 26073), (1548, 20279), (1806, 17382), (2709, 11588), (2897, 10836), (3612, 8691), (5418, 5794)]