28807268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 61192320

約数和(自身を除く): 32385052

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 173, 266, 313, 346, 532, 626, 692, 1211, 1252, 2191, 2422, 3287, 4382, 4844, 5947, 6574, 8764, 11894, 13148, 23009, 23788, 41629, 46018, 54149, 83258, 92036, 108298, 166516, 216596, 379043, 758086, 1028831, 1516172, 2057662, 4115324, 7201817, 14403634, 28807268]

約数ペア:

[(1, 28807268), (2, 14403634), (4, 7201817), (7, 4115324), (14, 2057662), (19, 1516172), (28, 1028831), (38, 758086), (76, 379043), (133, 216596), (173, 166516), (266, 108298), (313, 92036), (346, 83258), (532, 54149), (626, 46018), (692, 41629), (1211, 23788), (1252, 23009), (2191, 13148), (2422, 11894), (3287, 8764), (4382, 6574), (4844, 5947)]