28986226

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 44190720

約数和(自身を除く): 15204494

約数列:

[1, 2, 127, 139, 254, 278, 821, 1642, 17653, 35306, 104267, 114119, 208534, 228238, 14493113, 28986226]

約数ペア:

[(1, 28986226), (2, 14493113), (127, 228238), (139, 208534), (254, 114119), (278, 104267), (821, 35306), (1642, 17653)]