128439736

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{122557}}^1$

素因数の和:122694

約数の個数: 16

約数和(自身を含む): 242664840

約数和(自身を除く): 114225104

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 122557, 245114, 490228, 980456, 16054967, 32109934, 64219868, 128439736]

約数ペア:

[(1, 128439736), (2, 64219868), (4, 32109934), (8, 16054967), (131, 980456), (262, 490228), (524, 245114), (1048, 122557)]