120920305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{70921}}^1$

素因数の和:70968

約数の個数: 16

約数和(自身を含む): 163404288

約数和(自身を除く): 42483983

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 70921, 354605, 780131, 2198551, 3900655, 10992755, 24184061, 120920305]

約数ペア:

[(1, 120920305), (5, 24184061), (11, 10992755), (31, 3900655), (55, 2198551), (155, 780131), (341, 354605), (1705, 70921)]