820235585

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{15913}}^1$

素因数の和:16005

約数の個数: 24

約数和(自身を含む): 1083361464

約数和(自身を除く): 263125879

約数列:

[1, 5, 13, 61, 65, 169, 305, 793, 845, 3965, 10309, 15913, 51545, 79565, 206869, 970693, 1034345, 2689297, 4853465, 12619009, 13446485, 63095045, 164047117, 820235585]

約数ペア:

[(1, 820235585), (5, 164047117), (13, 63095045), (61, 13446485), (65, 12619009), (169, 4853465), (305, 2689297), (793, 1034345), (845, 970693), (3965, 206869), (10309, 79565), (15913, 51545)]