28147198

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 43536240

約数和(自身を除く): 15389042

約数列:

[1, 2, 43, 86, 137, 274, 2389, 4778, 5891, 11782, 102727, 205454, 327293, 654586, 14073599, 28147198]

約数ペア:

[(1, 28147198), (2, 14073599), (43, 654586), (86, 327293), (137, 205454), (274, 102727), (2389, 11782), (4778, 5891)]