128938390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{39191}}^1$

素因数の和:39252

約数の個数: 32

約数和(自身を含む): 270895104

約数和(自身を除く): 141956714

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 39191, 78382, 195955, 274337, 391910, 548674, 1371685, 1841977, 2743370, 3683954, 9209885, 12893839, 18419770, 25787678, 64469195, 128938390]

約数ペア:

[(1, 128938390), (2, 64469195), (5, 25787678), (7, 18419770), (10, 12893839), (14, 9209885), (35, 3683954), (47, 2743370), (70, 1841977), (94, 1371685), (235, 548674), (329, 391910), (470, 274337), (658, 195955), (1645, 78382), (3290, 39191)]