171437290

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{21139}}^1$

素因数の和:21957

約数の個数: 16

約数和(自身を含む): 308982240

約数和(自身を除く): 137544950

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 21139, 42278, 105695, 211390, 17143729, 34287458, 85718645, 171437290]

約数ペア:

[(1, 171437290), (2, 85718645), (5, 34287458), (10, 17143729), (811, 211390), (1622, 105695), (4055, 42278), (8110, 21139)]