27998978

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{68963}}^1$

素因数の和:69001

約数の個数: 16

約数和(自身を含む): 49654080

約数和(自身を除く): 21655102

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 68963, 137926, 482741, 965482, 1999927, 3999854, 13999489, 27998978]

約数ペア:

[(1, 27998978), (2, 13999489), (7, 3999854), (14, 1999927), (29, 965482), (58, 482741), (203, 137926), (406, 68963)]