211345238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{153371}}^1$

素因数の和:153439

約数の個数: 16

約数和(自身を含む): 347847696

約数和(自身を除く): 136502458

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 153371, 306742, 1993823, 3987646, 8128663, 16257326, 105672619, 211345238]

約数ペア:

[(1, 211345238), (2, 105672619), (13, 16257326), (26, 8128663), (53, 3987646), (106, 1993823), (689, 306742), (1378, 153371)]