78478379

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{20347}}^1$

素因数の和:20402

約数の個数: 16

約数和(自身を含む): 97670400

約数和(自身を除く): 19192021

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 20347, 142429, 386593, 590063, 2706151, 4130441, 11211197, 78478379]

約数ペア:

[(1, 78478379), (7, 11211197), (19, 4130441), (29, 2706151), (133, 590063), (203, 386593), (551, 142429), (3857, 20347)]