28185304

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 64051200

約数和(自身を除く): 35865896

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 79, 92, 158, 161, 184, 277, 316, 322, 553, 554, 632, 644, 1106, 1108, 1288, 1817, 1939, 2212, 2216, 3634, 3878, 4424, 6371, 7268, 7756, 12719, 12742, 14536, 15512, 21883, 25438, 25484, 43766, 44597, 50876, 50968, 87532, 89194, 101752, 153181, 175064, 178388, 306362, 356776, 503309, 612724, 1006618, 1225448, 2013236, 3523163, 4026472, 7046326, 14092652, 28185304]

約数ペア:

[(1, 28185304), (2, 14092652), (4, 7046326), (7, 4026472), (8, 3523163), (14, 2013236), (23, 1225448), (28, 1006618), (46, 612724), (56, 503309), (79, 356776), (92, 306362), (158, 178388), (161, 175064), (184, 153181), (277, 101752), (316, 89194), (322, 87532), (553, 50968), (554, 50876), (632, 44597), (644, 43766), (1106, 25484), (1108, 25438), (1288, 21883), (1817, 15512), (1939, 14536), (2212, 12742), (2216, 12719), (3634, 7756), (3878, 7268), (4424, 6371)]