28921648

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13591}}^1$

素因数の和:13625

約数の個数: 40

約数和(自身を含む): 67416320

約数和(自身を除く): 38494672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 13591, 27182, 54364, 95137, 108728, 190274, 217456, 258229, 380548, 516458, 761096, 1032916, 1522192, 1807603, 2065832, 3615206, 4131664, 7230412, 14460824, 28921648]

約数ペア:

[(1, 28921648), (2, 14460824), (4, 7230412), (7, 4131664), (8, 3615206), (14, 2065832), (16, 1807603), (19, 1522192), (28, 1032916), (38, 761096), (56, 516458), (76, 380548), (112, 258229), (133, 217456), (152, 190274), (266, 108728), (304, 95137), (532, 54364), (1064, 27182), (2128, 13591)]