487994857

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{3137}}^1$

素因数の和:3528

約数の個数: 16

約数和(自身を含む): 567551232

約数和(自身を除く): 79556375

約数列:

[1, 7, 71, 313, 497, 2191, 3137, 21959, 22223, 155561, 222727, 981881, 1559089, 6873167, 69713551, 487994857]

約数ペア:

[(1, 487994857), (7, 69713551), (71, 6873167), (313, 1559089), (497, 981881), (2191, 222727), (3137, 155561), (21959, 22223)]