28328909

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 34473600

約数和(自身を除く): 6144691

約数列:

[1, 7, 41, 49, 59, 239, 287, 413, 1673, 2009, 2419, 2891, 9799, 11711, 14101, 16933, 68593, 98707, 118531, 480151, 578141, 690949, 4046987, 28328909]

約数ペア:

[(1, 28328909), (7, 4046987), (41, 690949), (49, 578141), (59, 480151), (239, 118531), (287, 98707), (413, 68593), (1673, 16933), (2009, 14101), (2419, 11711), (2891, 9799)]