1640786961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{66919}}^1$

素因数の和:67676

約数の個数: 16

約数和(自身を含む): 2389847040

約数和(自身を除く): 749060079

約数列:

[1, 3, 11, 33, 743, 2229, 8173, 24519, 66919, 200757, 736109, 2208327, 49720817, 149162451, 546928987, 1640786961]

約数ペア:

[(1, 1640786961), (3, 546928987), (11, 149162451), (33, 49720817), (743, 2208327), (2229, 736109), (8173, 200757), (24519, 66919)]