256475317

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{2591}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 298598400

約数和(自身を除く): 42123083

約数列:

[1, 7, 79, 179, 553, 1253, 2591, 14141, 18137, 98987, 204689, 463789, 1432823, 3246523, 36639331, 256475317]

約数ペア:

[(1, 256475317), (7, 36639331), (79, 3246523), (179, 1432823), (553, 463789), (1253, 204689), (2591, 98987), (14141, 18137)]