279969214

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1$

素因数の和:3160

約数の個数: 32

約数和(自身を含む): 493019136

約数和(自身を除く): 213049922

約数列:

[1, 2, 7, 14, 53, 106, 127, 254, 371, 742, 889, 1778, 2971, 5942, 6731, 13462, 20797, 41594, 47117, 94234, 157463, 314926, 377317, 754634, 1102241, 2204482, 2641219, 5282438, 19997801, 39995602, 139984607, 279969214]

約数ペア:

[(1, 279969214), (2, 139984607), (7, 39995602), (14, 19997801), (53, 5282438), (106, 2641219), (127, 2204482), (254, 1102241), (371, 754634), (742, 377317), (889, 314926), (1778, 157463), (2971, 94234), (5942, 47117), (6731, 41594), (13462, 20797)]