257316

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 616224

約数和(自身を除く): 358908

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 523, 1046, 1569, 2092, 3138, 6276, 21443, 42886, 64329, 85772, 128658, 257316]

約数ペア:

[(1, 257316), (2, 128658), (3, 85772), (4, 64329), (6, 42886), (12, 21443), (41, 6276), (82, 3138), (123, 2092), (164, 1569), (246, 1046), (492, 523)]