28793989

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 33586560

約数和(自身を除く): 4792571

約数列:

[1, 7, 101, 139, 293, 707, 973, 2051, 14039, 29593, 40727, 98273, 207151, 285089, 4113427, 28793989]

約数ペア:

[(1, 28793989), (7, 4113427), (101, 285089), (139, 207151), (293, 98273), (707, 40727), (973, 29593), (2051, 14039)]