71390284

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{19463}}^1$

素因数の和:19605

約数の個数: 24

約数和(自身を含む): 143877888

約数和(自身を除く): 72487604

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 19463, 38926, 77852, 136241, 272482, 544964, 2549653, 5099306, 10198612, 17847571, 35695142, 71390284]

約数ペア:

[(1, 71390284), (2, 35695142), (4, 17847571), (7, 10198612), (14, 5099306), (28, 2549653), (131, 544964), (262, 272482), (524, 136241), (917, 77852), (1834, 38926), (3668, 19463)]