7281988

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:772

約数の個数: 36

約数和(自身を含む): 15125292

約数和(自身を除く): 7843304

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 701, 742, 1402, 1484, 2597, 2804, 4907, 5194, 9814, 10388, 19628, 34349, 37153, 68698, 74306, 137396, 148612, 260071, 520142, 1040284, 1820497, 3640994, 7281988]

約数ペア:

[(1, 7281988), (2, 3640994), (4, 1820497), (7, 1040284), (14, 520142), (28, 260071), (49, 148612), (53, 137396), (98, 74306), (106, 68698), (196, 37153), (212, 34349), (371, 19628), (701, 10388), (742, 9814), (1402, 5194), (1484, 4907), (2597, 2804)]