1993754005

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 2470051584

約数和(自身を除く): 476297579

約数列:

[1, 5, 97, 103, 107, 373, 485, 515, 535, 1865, 9991, 10379, 11021, 36181, 38419, 39911, 49955, 51895, 55105, 180905, 192095, 199555, 1069037, 3726643, 3871367, 4110833, 5345185, 18633215, 19356835, 20554165, 398750801, 1993754005]

約数ペア:

[(1, 1993754005), (5, 398750801), (97, 20554165), (103, 19356835), (107, 18633215), (373, 5345185), (485, 4110833), (515, 3871367), (535, 3726643), (1865, 1069037), (9991, 199555), (10379, 192095), (11021, 180905), (36181, 55105), (38419, 51895), (39911, 49955)]