661567156229

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{20327}}^1\times {\mathrm{108127}}^1$

素因数の和:128504

約数の個数: 16

約数和(自身を含む): 773705146368

約数和(自身を除く): 112137990139

約数列:

[1, 7, 43, 301, 20327, 108127, 142289, 756889, 874061, 4649461, 6118427, 32546227, 2197897529, 15385282703, 94509593747, 661567156229]

約数ペア:

[(1, 661567156229), (7, 94509593747), (43, 15385282703), (301, 2197897529), (20327, 32546227), (108127, 6118427), (142289, 4649461), (756889, 874061)]