321130655

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2\times {\mathrm{251}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 401408784

約数和(自身を除く): 80278129

約数列:

[1, 5, 41, 79, 205, 251, 395, 1255, 3239, 6241, 10291, 16195, 19829, 31205, 51455, 99145, 255881, 812989, 1279405, 1566491, 4064945, 7832455, 64226131, 321130655]

約数ペア:

[(1, 321130655), (5, 64226131), (41, 7832455), (79, 4064945), (205, 1566491), (251, 1279405), (395, 812989), (1255, 255881), (3239, 99145), (6241, 51455), (10291, 31205), (16195, 19829)]