138045985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 212127552

約数和(自身を除く): 74081567

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 181, 245, 283, 385, 539, 905, 1267, 1415, 1981, 1991, 2695, 3113, 6335, 8869, 9905, 9955, 13867, 13937, 15565, 21791, 44345, 51223, 69335, 69685, 97559, 108955, 152537, 256115, 358561, 487795, 563453, 762685, 1792805, 2509927, 2817265, 3944171, 12549635, 19720855, 27609197, 138045985]

約数ペア:

[(1, 138045985), (5, 27609197), (7, 19720855), (11, 12549635), (35, 3944171), (49, 2817265), (55, 2509927), (77, 1792805), (181, 762685), (245, 563453), (283, 487795), (385, 358561), (539, 256115), (905, 152537), (1267, 108955), (1415, 97559), (1981, 69685), (1991, 69335), (2695, 51223), (3113, 44345), (6335, 21791), (8869, 15565), (9905, 13937), (9955, 13867)]