28203028

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3889}}^1$

素因数の和:3944

約数の個数: 36

約数和(自身を含む): 58980180

約数和(自身を除く): 30777152

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 3889, 7252, 7778, 15556, 27223, 54446, 108892, 143893, 190561, 287786, 381122, 575572, 762244, 1007251, 2014502, 4029004, 7050757, 14101514, 28203028]

約数ペア:

[(1, 28203028), (2, 14101514), (4, 7050757), (7, 4029004), (14, 2014502), (28, 1007251), (37, 762244), (49, 575572), (74, 381122), (98, 287786), (148, 190561), (196, 143893), (259, 108892), (518, 54446), (1036, 27223), (1813, 15556), (3626, 7778), (3889, 7252)]