257520004

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173531}}^1$

素因数の和:173595

約数の個数: 24

約数和(自身を含む): 524760768

約数和(自身を除く): 267240764

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 173531, 347062, 694124, 1214717, 2429434, 4858868, 9197143, 18394286, 36788572, 64380001, 128760002, 257520004]

約数ペア:

[(1, 257520004), (2, 128760002), (4, 64380001), (7, 36788572), (14, 18394286), (28, 9197143), (53, 4858868), (106, 2429434), (212, 1214717), (371, 694124), (742, 347062), (1484, 173531)]