25157986

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 44461440

約数和(自身を除く): 19303454

約数列:

[1, 2, 7, 14, 61, 89, 122, 178, 331, 427, 623, 662, 854, 1246, 2317, 4634, 5429, 10858, 20191, 29459, 38003, 40382, 58918, 76006, 141337, 206213, 282674, 412426, 1796999, 3593998, 12578993, 25157986]

約数ペア:

[(1, 25157986), (2, 12578993), (7, 3593998), (14, 1796999), (61, 412426), (89, 282674), (122, 206213), (178, 141337), (331, 76006), (427, 58918), (623, 40382), (662, 38003), (854, 29459), (1246, 20191), (2317, 10858), (4634, 5429)]