55140988

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 114125760

約数和(自身を除く): 58984772

約数列:

[1, 2, 4, 7, 14, 28, 53, 73, 106, 146, 212, 292, 371, 509, 511, 742, 1018, 1022, 1484, 2036, 2044, 3563, 3869, 7126, 7738, 14252, 15476, 26977, 27083, 37157, 53954, 54166, 74314, 107908, 108332, 148628, 188839, 260099, 377678, 520198, 755356, 1040396, 1969321, 3938642, 7877284, 13785247, 27570494, 55140988]

約数ペア:

[(1, 55140988), (2, 27570494), (4, 13785247), (7, 7877284), (14, 3938642), (28, 1969321), (53, 1040396), (73, 755356), (106, 520198), (146, 377678), (212, 260099), (292, 188839), (371, 148628), (509, 108332), (511, 107908), (742, 74314), (1018, 54166), (1022, 53954), (1484, 37157), (2036, 27083), (2044, 26977), (3563, 15476), (3869, 14252), (7126, 7738)]