86991952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1381}}^1$

素因数の和:1547

約数の個数: 40

約数和(自身を含む): 175480832

約数和(自身を除く): 88488880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 1381, 2032, 2762, 3937, 5524, 7874, 11048, 15748, 22096, 31496, 42811, 62992, 85622, 171244, 175387, 342488, 350774, 684976, 701548, 1403096, 2806192, 5436997, 10873994, 21747988, 43495976, 86991952]

約数ペア:

[(1, 86991952), (2, 43495976), (4, 21747988), (8, 10873994), (16, 5436997), (31, 2806192), (62, 1403096), (124, 701548), (127, 684976), (248, 350774), (254, 342488), (496, 175387), (508, 171244), (1016, 85622), (1381, 62992), (2032, 42811), (2762, 31496), (3937, 22096), (5524, 15748), (7874, 11048)]