51213953

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 63424512

約数和(自身を除く): 12210559

約数列:

[1, 7, 31, 53, 61, 73, 217, 371, 427, 511, 1643, 1891, 2263, 3233, 3869, 4453, 11501, 13237, 15841, 22631, 27083, 31171, 100223, 119939, 138043, 236009, 701561, 839573, 966301, 1652063, 7316279, 51213953]

約数ペア:

[(1, 51213953), (7, 7316279), (31, 1652063), (53, 966301), (61, 839573), (73, 701561), (217, 236009), (371, 138043), (427, 119939), (511, 100223), (1643, 31171), (1891, 27083), (2263, 22631), (3233, 15841), (3869, 13237), (4453, 11501)]