1664817505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{1423}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 2210503680

約数和(自身を除く): 545686175

約数列:

[1, 5, 13, 41, 65, 205, 439, 533, 1423, 2195, 2665, 5707, 7115, 17999, 18499, 28535, 58343, 89995, 92495, 233987, 291715, 624697, 758459, 1169935, 3123485, 3792295, 8121061, 25612577, 40605305, 128062885, 332963501, 1664817505]

約数ペア:

[(1, 1664817505), (5, 332963501), (13, 128062885), (41, 40605305), (65, 25612577), (205, 8121061), (439, 3792295), (533, 3123485), (1423, 1169935), (2195, 758459), (2665, 624697), (5707, 291715), (7115, 233987), (17999, 92495), (18499, 89995), (28535, 58343)]