1640981573

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{361211}}^1$

素因数の和:361288

約数の個数: 16

約数和(自身を含む): 2080581120

約数和(自身を除く): 439599547

約数列:

[1, 7, 11, 59, 77, 413, 649, 4543, 361211, 2528477, 3973321, 21311449, 27813247, 149180143, 234425939, 1640981573]

約数ペア:

[(1, 1640981573), (7, 234425939), (11, 149180143), (59, 27813247), (77, 21311449), (413, 3973321), (649, 2528477), (4543, 361211)]