63986426

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 111767040

約数和(自身を除く): 47780614

約数列:

[1, 2, 7, 14, 131, 139, 251, 262, 278, 502, 917, 973, 1757, 1834, 1946, 3514, 18209, 32881, 34889, 36418, 65762, 69778, 127463, 230167, 244223, 254926, 460334, 488446, 4570459, 9140918, 31993213, 63986426]

約数ペア:

[(1, 63986426), (2, 31993213), (7, 9140918), (14, 4570459), (131, 488446), (139, 460334), (251, 254926), (262, 244223), (278, 230167), (502, 127463), (917, 69778), (973, 65762), (1757, 36418), (1834, 34889), (1946, 32881), (3514, 18209)]