28525042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 56689920

約数和(自身を除く): 28164878

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 73, 91, 113, 133, 146, 182, 226, 247, 266, 494, 511, 791, 949, 1022, 1387, 1469, 1582, 1729, 1898, 2147, 2774, 2938, 3458, 4294, 6643, 8249, 9709, 10283, 13286, 15029, 16498, 18031, 19418, 20566, 27911, 30058, 36062, 55822, 57743, 107237, 115486, 126217, 156731, 195377, 214474, 252434, 313462, 390754, 750659, 1097117, 1501318, 2037503, 2194234, 4075006, 14262521, 28525042]

約数ペア:

[(1, 28525042), (2, 14262521), (7, 4075006), (13, 2194234), (14, 2037503), (19, 1501318), (26, 1097117), (38, 750659), (73, 390754), (91, 313462), (113, 252434), (133, 214474), (146, 195377), (182, 156731), (226, 126217), (247, 115486), (266, 107237), (494, 57743), (511, 55822), (791, 36062), (949, 30058), (1022, 27911), (1387, 20566), (1469, 19418), (1582, 18031), (1729, 16498), (1898, 15029), (2147, 13286), (2774, 10283), (2938, 9709), (3458, 8249), (4294, 6643)]