661036715

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{5419}}^1$

素因数の和:6242

約数の個数: 16

約数和(自身を含む): 820024320

約数和(自身を除く): 158987605

約数列:

[1, 5, 31, 155, 787, 3935, 5419, 24397, 27095, 121985, 167989, 839945, 4264753, 21323765, 132207343, 661036715]

約数ペア:

[(1, 661036715), (5, 132207343), (31, 21323765), (155, 4264753), (787, 839945), (3935, 167989), (5419, 121985), (24397, 27095)]