139534255

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{128603}}^1$

素因数の和:128646

約数の個数: 16

約数和(自身を含む): 197535744

約数和(自身を除く): 58001489

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 128603, 643015, 900221, 3986693, 4501105, 19933465, 27906851, 139534255]

約数ペア:

[(1, 139534255), (5, 27906851), (7, 19933465), (31, 4501105), (35, 3986693), (155, 900221), (217, 643015), (1085, 128603)]