257608406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1913}}^1\times {\mathrm{6121}}^1$

素因数の和:8047

約数の個数: 16

約数和(自身を含む): 421830288

約数和(自身を除く): 164221882

約数列:

[1, 2, 11, 22, 1913, 3826, 6121, 12242, 21043, 42086, 67331, 134662, 11709473, 23418946, 128804203, 257608406]

約数ペア:

[(1, 257608406), (2, 128804203), (11, 23418946), (22, 11709473), (1913, 134662), (3826, 67331), (6121, 42086), (12242, 21043)]