181551268

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{145009}}^1$

素因数の和:145326

約数の個数: 12

約数和(自身を含む): 318731980

約数和(自身を除く): 137180712

約数列:

[1, 2, 4, 313, 626, 1252, 145009, 290018, 580036, 45387817, 90775634, 181551268]

約数ペア:

[(1, 181551268), (2, 90775634), (4, 45387817), (313, 580036), (626, 290018), (1252, 145009)]