28793478

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 71193600

約数和(自身を除く): 42400122

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 343, 357, 686, 714, 823, 833, 1029, 1646, 1666, 2058, 2469, 2499, 4938, 4998, 5761, 5831, 11522, 11662, 13991, 17283, 17493, 27982, 34566, 34986, 40327, 41973, 80654, 83946, 97937, 120981, 195874, 241962, 282289, 293811, 564578, 587622, 685559, 846867, 1371118, 1693734, 2056677, 4113354, 4798913, 9597826, 14396739, 28793478]

約数ペア:

[(1, 28793478), (2, 14396739), (3, 9597826), (6, 4798913), (7, 4113354), (14, 2056677), (17, 1693734), (21, 1371118), (34, 846867), (42, 685559), (49, 587622), (51, 564578), (98, 293811), (102, 282289), (119, 241962), (147, 195874), (238, 120981), (294, 97937), (343, 83946), (357, 80654), (686, 41973), (714, 40327), (823, 34986), (833, 34566), (1029, 27982), (1646, 17493), (1666, 17283), (2058, 13991), (2469, 11662), (2499, 11522), (4938, 5831), (4998, 5761)]