28287376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 34708592

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 107, 124, 164, 208, 214, 248, 328, 403, 428, 496, 533, 656, 806, 856, 1066, 1271, 1391, 1612, 1712, 2132, 2542, 2782, 3224, 3317, 4264, 4387, 5084, 5564, 6448, 6634, 8528, 8774, 10168, 11128, 13268, 16523, 17548, 20336, 22256, 26536, 33046, 35096, 43121, 53072, 57031, 66092, 70192, 86242, 114062, 132184, 135997, 172484, 228124, 264368, 271994, 344968, 456248, 543988, 689936, 912496, 1087976, 1767961, 2175952, 3535922, 7071844, 14143688, 28287376]

約数ペア:

[(1, 28287376), (2, 14143688), (4, 7071844), (8, 3535922), (13, 2175952), (16, 1767961), (26, 1087976), (31, 912496), (41, 689936), (52, 543988), (62, 456248), (82, 344968), (104, 271994), (107, 264368), (124, 228124), (164, 172484), (208, 135997), (214, 132184), (248, 114062), (328, 86242), (403, 70192), (428, 66092), (496, 57031), (533, 53072), (656, 43121), (806, 35096), (856, 33046), (1066, 26536), (1271, 22256), (1391, 20336), (1612, 17548), (1712, 16523), (2132, 13268), (2542, 11128), (2782, 10168), (3224, 8774), (3317, 8528), (4264, 6634), (4387, 6448), (5084, 5564)]