128516908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{3739}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 242636240

約数和(自身を除く): 114119332

約数列:

[1, 2, 4, 13, 26, 52, 661, 1322, 2644, 3739, 7478, 8593, 14956, 17186, 34372, 48607, 97214, 194428, 2471479, 4942958, 9885916, 32129227, 64258454, 128516908]

約数ペア:

[(1, 128516908), (2, 64258454), (4, 32129227), (13, 9885916), (26, 4942958), (52, 2471479), (661, 194428), (1322, 97214), (2644, 48607), (3739, 34372), (7478, 17186), (8593, 14956)]