257905464

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{82031}}^1$

素因数の和:82171

約数の個数: 32

約数和(自身を含む): 649693440

約数和(自身を除く): 391787976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 82031, 164062, 246093, 328124, 492186, 656248, 984372, 1968744, 10746061, 21492122, 32238183, 42984244, 64476366, 85968488, 128952732, 257905464]

約数ペア:

[(1, 257905464), (2, 128952732), (3, 85968488), (4, 64476366), (6, 42984244), (8, 32238183), (12, 21492122), (24, 10746061), (131, 1968744), (262, 984372), (393, 656248), (524, 492186), (786, 328124), (1048, 246093), (1572, 164062), (3144, 82031)]