156904270

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{198613}}^1$

素因数の和:198699

約数の個数: 16

約数和(自身を含む): 286004160

約数和(自身を除く): 129099890

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 198613, 397226, 993065, 1986130, 15690427, 31380854, 78452135, 156904270]

約数ペア:

[(1, 156904270), (2, 78452135), (5, 31380854), (10, 15690427), (79, 1986130), (158, 993065), (395, 397226), (790, 198613)]