128500722

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19997}}^1$

素因数の和:20032

約数の個数: 64

約数和(自身を含む): 345565440

約数和(自身を除く): 217064718

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 6426, 19997, 39994, 59991, 119982, 139979, 179973, 279958, 339949, 359946, 419937, 539919, 679898, 839874, 1019847, 1079838, 1259811, 2039694, 2379643, 2519622, 3059541, 3779433, 4759286, 6119082, 7138929, 7558866, 9178623, 14277858, 18357246, 21416787, 42833574, 64250361, 128500722]

約数ペア:

[(1, 128500722), (2, 64250361), (3, 42833574), (6, 21416787), (7, 18357246), (9, 14277858), (14, 9178623), (17, 7558866), (18, 7138929), (21, 6119082), (27, 4759286), (34, 3779433), (42, 3059541), (51, 2519622), (54, 2379643), (63, 2039694), (102, 1259811), (119, 1079838), (126, 1019847), (153, 839874), (189, 679898), (238, 539919), (306, 419937), (357, 359946), (378, 339949), (459, 279958), (714, 179973), (918, 139979), (1071, 119982), (2142, 59991), (3213, 39994), (6426, 19997)]