28758172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 26560868

約数列:

[1, 2, 4, 19, 38, 47, 76, 83, 94, 97, 166, 188, 194, 332, 388, 893, 1577, 1786, 1843, 3154, 3572, 3686, 3901, 4559, 6308, 7372, 7802, 8051, 9118, 15604, 16102, 18236, 32204, 74119, 86621, 148238, 152969, 173242, 296476, 305938, 346484, 378397, 611876, 756794, 1513588, 7189543, 14379086, 28758172]

約数ペア:

[(1, 28758172), (2, 14379086), (4, 7189543), (19, 1513588), (38, 756794), (47, 611876), (76, 378397), (83, 346484), (94, 305938), (97, 296476), (166, 173242), (188, 152969), (194, 148238), (332, 86621), (388, 74119), (893, 32204), (1577, 18236), (1786, 16102), (1843, 15604), (3154, 9118), (3572, 8051), (3686, 7802), (3901, 7372), (4559, 6308)]