66571876

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 136278016

約数和(自身を除く): 69706140

約数列:

[1, 2, 4, 7, 14, 28, 97, 127, 193, 194, 254, 386, 388, 508, 679, 772, 889, 1351, 1358, 1778, 2702, 2716, 3556, 5404, 12319, 18721, 24511, 24638, 37442, 49022, 49276, 74884, 86233, 98044, 131047, 171577, 172466, 262094, 343154, 344932, 524188, 686308, 2377567, 4755134, 9510268, 16642969, 33285938, 66571876]

約数ペア:

[(1, 66571876), (2, 33285938), (4, 16642969), (7, 9510268), (14, 4755134), (28, 2377567), (97, 686308), (127, 524188), (193, 344932), (194, 343154), (254, 262094), (386, 172466), (388, 171577), (508, 131047), (679, 98044), (772, 86233), (889, 74884), (1351, 49276), (1358, 49022), (1778, 37442), (2702, 24638), (2716, 24511), (3556, 18721), (5404, 12319)]