28979454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{689987}}^1$

素因数の和:689999

約数の個数: 16

約数和(自身を含む): 66238848

約数和(自身を除く): 37259394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 689987, 1379974, 2069961, 4139922, 4829909, 9659818, 14489727, 28979454]

約数ペア:

[(1, 28979454), (2, 14489727), (3, 9659818), (6, 4829909), (7, 4139922), (14, 2069961), (21, 1379974), (42, 689987)]