28803138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 71995392

約数和(自身を除く): 43192254

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 213, 273, 426, 497, 546, 743, 923, 994, 1486, 1491, 1846, 2229, 2769, 2982, 4458, 5201, 5538, 6461, 9659, 10402, 12922, 15603, 19318, 19383, 28977, 31206, 38766, 52753, 57954, 67613, 105506, 135226, 158259, 202839, 316518, 369271, 405678, 685789, 738542, 1107813, 1371578, 2057367, 2215626, 4114734, 4800523, 9601046, 14401569, 28803138]

約数ペア:

[(1, 28803138), (2, 14401569), (3, 9601046), (6, 4800523), (7, 4114734), (13, 2215626), (14, 2057367), (21, 1371578), (26, 1107813), (39, 738542), (42, 685789), (71, 405678), (78, 369271), (91, 316518), (142, 202839), (182, 158259), (213, 135226), (273, 105506), (426, 67613), (497, 57954), (546, 52753), (743, 38766), (923, 31206), (994, 28977), (1486, 19383), (1491, 19318), (1846, 15603), (2229, 12922), (2769, 10402), (2982, 9659), (4458, 6461), (5201, 5538)]