6648873985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1\times {\mathrm{643}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 8653196160

約数和(自身を除く): 2004322175

約数列:

[1, 5, 13, 65, 257, 619, 643, 1285, 3095, 3215, 3341, 8047, 8359, 16705, 40235, 41795, 159083, 165251, 398017, 795415, 826255, 1990085, 2068079, 2148263, 5174221, 10340395, 10741315, 25871105, 102290369, 511451845, 1329774797, 6648873985]

約数ペア:

[(1, 6648873985), (5, 1329774797), (13, 511451845), (65, 102290369), (257, 25871105), (619, 10741315), (643, 10340395), (1285, 5174221), (3095, 2148263), (3215, 2068079), (3341, 1990085), (8047, 826255), (8359, 795415), (16705, 398017), (40235, 165251), (41795, 159083)]