81663998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{5639}}^1$

素因数の和:6211

約数の個数: 16

約数和(自身を含む): 132179040

約数和(自身を除く): 50515042

約数列:

[1, 2, 13, 26, 557, 1114, 5639, 7241, 11278, 14482, 73307, 146614, 3140923, 6281846, 40831999, 81663998]

約数ペア:

[(1, 81663998), (2, 40831999), (13, 6281846), (26, 3140923), (557, 146614), (1114, 73307), (5639, 14482), (7241, 11278)]