71771128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 161884800

約数和(自身を除く): 90113672

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 286, 344, 473, 559, 572, 946, 1118, 1144, 1459, 1892, 2236, 2918, 3784, 4472, 5836, 6149, 11672, 12298, 16049, 18967, 24596, 32098, 37934, 49192, 62737, 64196, 75868, 125474, 128392, 151736, 208637, 250948, 417274, 501896, 690107, 815581, 834548, 1380214, 1631162, 1669096, 2760428, 3262324, 5520856, 6524648, 8971391, 17942782, 35885564, 71771128]

約数ペア:

[(1, 71771128), (2, 35885564), (4, 17942782), (8, 8971391), (11, 6524648), (13, 5520856), (22, 3262324), (26, 2760428), (43, 1669096), (44, 1631162), (52, 1380214), (86, 834548), (88, 815581), (104, 690107), (143, 501896), (172, 417274), (286, 250948), (344, 208637), (473, 151736), (559, 128392), (572, 125474), (946, 75868), (1118, 64196), (1144, 62737), (1459, 49192), (1892, 37934), (2236, 32098), (2918, 24596), (3784, 18967), (4472, 16049), (5836, 12298), (6149, 11672)]