28872668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 57062880

約数和(自身を除く): 28190212

約数列:

[1, 2, 4, 11, 22, 44, 73, 89, 101, 146, 178, 202, 292, 356, 404, 803, 979, 1111, 1606, 1958, 2222, 3212, 3916, 4444, 6497, 7373, 8989, 12994, 14746, 17978, 25988, 29492, 35956, 71467, 81103, 98879, 142934, 162206, 197758, 285868, 324412, 395516, 656197, 1312394, 2624788, 7218167, 14436334, 28872668]

約数ペア:

[(1, 28872668), (2, 14436334), (4, 7218167), (11, 2624788), (22, 1312394), (44, 656197), (73, 395516), (89, 324412), (101, 285868), (146, 197758), (178, 162206), (202, 142934), (292, 98879), (356, 81103), (404, 71467), (803, 35956), (979, 29492), (1111, 25988), (1606, 17978), (1958, 14746), (2222, 12994), (3212, 8989), (3916, 7373), (4444, 6497)]