149999824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 331201024

約数和(自身を除く): 181201200

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 344, 403, 496, 541, 559, 688, 806, 1082, 1118, 1333, 1612, 2164, 2236, 2666, 3224, 4328, 4472, 5332, 6448, 7033, 8656, 8944, 10664, 14066, 16771, 17329, 21328, 23263, 28132, 33542, 34658, 46526, 56264, 67084, 69316, 93052, 112528, 134168, 138632, 186104, 218023, 268336, 277264, 302419, 372208, 436046, 604838, 721153, 872092, 1209676, 1442306, 1744184, 2419352, 2884612, 3488368, 4838704, 5769224, 9374989, 11538448, 18749978, 37499956, 74999912, 149999824]

約数ペア:

[(1, 149999824), (2, 74999912), (4, 37499956), (8, 18749978), (13, 11538448), (16, 9374989), (26, 5769224), (31, 4838704), (43, 3488368), (52, 2884612), (62, 2419352), (86, 1744184), (104, 1442306), (124, 1209676), (172, 872092), (208, 721153), (248, 604838), (344, 436046), (403, 372208), (496, 302419), (541, 277264), (559, 268336), (688, 218023), (806, 186104), (1082, 138632), (1118, 134168), (1333, 112528), (1612, 93052), (2164, 69316), (2236, 67084), (2666, 56264), (3224, 46526), (4328, 34658), (4472, 33542), (5332, 28132), (6448, 23263), (7033, 21328), (8656, 17329), (8944, 16771), (10664, 14066)]