28712464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 65245824

約数和(自身を除く): 36533360

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 41, 44, 46, 82, 88, 92, 164, 173, 176, 184, 253, 328, 346, 368, 451, 506, 656, 692, 902, 943, 1012, 1384, 1804, 1886, 1903, 2024, 2768, 3608, 3772, 3806, 3979, 4048, 7093, 7216, 7544, 7612, 7958, 10373, 14186, 15088, 15224, 15916, 20746, 28372, 30448, 31832, 41492, 43769, 56744, 63664, 78023, 82984, 87538, 113488, 156046, 163139, 165968, 175076, 312092, 326278, 350152, 624184, 652556, 700304, 1248368, 1305112, 1794529, 2610224, 3589058, 7178116, 14356232, 28712464]

約数ペア:

[(1, 28712464), (2, 14356232), (4, 7178116), (8, 3589058), (11, 2610224), (16, 1794529), (22, 1305112), (23, 1248368), (41, 700304), (44, 652556), (46, 624184), (82, 350152), (88, 326278), (92, 312092), (164, 175076), (173, 165968), (176, 163139), (184, 156046), (253, 113488), (328, 87538), (346, 82984), (368, 78023), (451, 63664), (506, 56744), (656, 43769), (692, 41492), (902, 31832), (943, 30448), (1012, 28372), (1384, 20746), (1804, 15916), (1886, 15224), (1903, 15088), (2024, 14186), (2768, 10373), (3608, 7958), (3772, 7612), (3806, 7544), (3979, 7216), (4048, 7093)]